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		<id>https://minidemo.mathonline.se/index.php?action=history&amp;feed=atom&amp;title=1.7_L%C3%B6sning_5b</id>
		<title>1.7 Lösning 5b - Versionshistorik</title>
		<link rel="self" type="application/atom+xml" href="https://minidemo.mathonline.se/index.php?action=history&amp;feed=atom&amp;title=1.7_L%C3%B6sning_5b"/>
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		<updated>2026-04-12T06:47:44Z</updated>
		<subtitle>Versionshistorik för denna sida på wikin</subtitle>
		<generator>MediaWiki 1.23.1</generator>

	<entry>
		<id>https://minidemo.mathonline.se/index.php?title=1.7_L%C3%B6sning_5b&amp;diff=26017&amp;oldid=prev</id>
		<title>Taifun den 8 juli 2015 kl. 15.15</title>
		<link rel="alternate" type="text/html" href="https://minidemo.mathonline.se/index.php?title=1.7_L%C3%B6sning_5b&amp;diff=26017&amp;oldid=prev"/>
				<updated>2015-07-08T15:15:03Z</updated>
		
		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table class='diff diff-contentalign-left'&gt;
				&lt;col class='diff-marker' /&gt;
				&lt;col class='diff-content' /&gt;
				&lt;col class='diff-marker' /&gt;
				&lt;col class='diff-content' /&gt;
				&lt;tr style='vertical-align: top;'&gt;
				&lt;td colspan='2' style=&quot;background-color: white; color:black; text-align: center;&quot;&gt;← Äldre version&lt;/td&gt;
				&lt;td colspan='2' style=&quot;background-color: white; color:black; text-align: center;&quot;&gt;Versionen från 8 juli 2015 kl. 15.15&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Rad 1:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Rad 1:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;lt;math&amp;gt;&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;\begin{align}&amp;#160; &amp;#160; &amp;#160; &amp;#160;  2 \cdot 3^x &amp;amp; = &lt;/del&gt;4 &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;\cdot 5^x&amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; \; &amp;amp; &amp;amp;\;| \;\lg&lt;/del&gt;\,&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;(&lt;/del&gt;\,&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;\cdot&lt;/del&gt;\,&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;)&amp;#160;  \\&lt;/del&gt;&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;:&lt;/ins&gt;&amp;lt;math&amp;gt; 4\,&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;800&lt;/ins&gt;\,&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;000&lt;/ins&gt;\,&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;000&amp;#160; &lt;/ins&gt;\, = \, &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;48 &lt;/ins&gt;\cdot &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;100&lt;/ins&gt;\,&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;000&lt;/ins&gt;\,&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;000 &lt;/ins&gt;\, = \, &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;48 &lt;/ins&gt;\&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;cdot 10&lt;/ins&gt;\,^&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;8 &lt;/ins&gt;\, = \, 4,&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;8 &lt;/ins&gt;\cdot &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;10&lt;/ins&gt;\,&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;^9 &lt;/ins&gt;&amp;lt;/math&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;&amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160;  \lg&lt;/del&gt;\,&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;(2 \cdot 3^x) &amp;amp; &lt;/del&gt;= &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;\lg&lt;/del&gt;\,&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;(4 &lt;/del&gt;\cdot &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;5^x)&amp;#160; &amp;#160;  \; &amp;amp; &amp;amp;: \;\text{Logaritmlag 1}\\&lt;/del&gt;&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;&amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; \lg&lt;/del&gt;\,&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;2 + \lg&lt;/del&gt;\,&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;(3&lt;/del&gt;\,&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;^x) &amp;amp; &lt;/del&gt;= &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;\lg&lt;/del&gt;\,&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;4 + &lt;/del&gt;\&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;lg\,(5&lt;/del&gt;\,^&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;x)&amp;#160; \; &amp;amp; &amp;amp;: \;\text{Logaritmlag 3}\\&lt;/del&gt;&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;&amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; \lg&lt;/del&gt;\,&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;2 + x\cdot\lg\,3 &amp;amp; &lt;/del&gt;= &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;\lg&lt;/del&gt;\,4 &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;+ x\cdot\lg\&lt;/del&gt;,&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;5&amp;#160; \; &amp;amp; &amp;amp;\;| \; - x&lt;/del&gt;\cdot&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;\lg&lt;/del&gt;\,&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;5 -\lg\,2 \\&lt;/del&gt;&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;&amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; x\cdot\lg\,3 - x\cdot\lg\,5 &amp;amp; = \lg\,4 - \lg\,2&amp;#160; &amp;#160; &amp;#160;  \; &amp;amp; &amp;amp;: \;\text{Bryt ut x i VL}\\&amp;#160; &lt;/del&gt;&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;&amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; x\cdot(\lg\,3 - \lg\,5) &amp;amp; = \lg\,4 - \lg\,2&amp;#160; \\&amp;#160; &lt;/del&gt;&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;&amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; x&amp;#160;  &amp;amp; = {\lg\,4 - \lg\,2 \over \lg\,3 - \lg\,5}&lt;/del&gt;&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;&amp;#160; &amp;#160; &amp;#160; \end{align}&lt;/del&gt;&amp;lt;/math&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Taifun</name></author>	</entry>

	<entry>
		<id>https://minidemo.mathonline.se/index.php?title=1.7_L%C3%B6sning_5b&amp;diff=4120&amp;oldid=prev</id>
		<title>Taifun den 12 april 2011 kl. 22.53</title>
		<link rel="alternate" type="text/html" href="https://minidemo.mathonline.se/index.php?title=1.7_L%C3%B6sning_5b&amp;diff=4120&amp;oldid=prev"/>
				<updated>2011-04-12T22:53:57Z</updated>
		
		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table class='diff diff-contentalign-left'&gt;
				&lt;col class='diff-marker' /&gt;
				&lt;col class='diff-content' /&gt;
				&lt;col class='diff-marker' /&gt;
				&lt;col class='diff-content' /&gt;
				&lt;tr style='vertical-align: top;'&gt;
				&lt;td colspan='2' style=&quot;background-color: white; color:black; text-align: center;&quot;&gt;← Äldre version&lt;/td&gt;
				&lt;td colspan='2' style=&quot;background-color: white; color:black; text-align: center;&quot;&gt;Versionen från 12 april 2011 kl. 22.53&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Rad 2:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Rad 2:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;#160;&amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160;  \lg\,(2 \cdot 3^x) &amp;amp; = \lg\,(4 \cdot 5^x)&amp;#160; &amp;#160;  \; &amp;amp; &amp;amp;: \;\text{Logaritmlag 1}\\&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;#160;&amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160;  \lg\,(2 \cdot 3^x) &amp;amp; = \lg\,(4 \cdot 5^x)&amp;#160; &amp;#160;  \; &amp;amp; &amp;amp;: \;\text{Logaritmlag 1}\\&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;#160;&amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; \lg\,2 + \lg\,(3\,^x) &amp;amp; = \lg\,4 + \lg\,(5\,^x)&amp;#160; \; &amp;amp; &amp;amp;: \;\text{Logaritmlag 3}\\&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;#160;&amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; \lg\,2 + \lg\,(3\,^x) &amp;amp; = \lg\,4 + \lg\,(5\,^x)&amp;#160; \; &amp;amp; &amp;amp;: \;\text{Logaritmlag 3}\\&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;#160;&amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; \lg\,2 + x\cdot\lg\,3 &amp;amp; = \lg\,4 + x\cdot\lg\,5&amp;#160; \; &amp;amp; &amp;amp;\;| \; - x\cdot\lg\,5 -\lg\,&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;3 &lt;/del&gt;\\&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;#160;&amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; \lg\,2 + x\cdot\lg\,3 &amp;amp; = \lg\,4 + x\cdot\lg\,5&amp;#160; \; &amp;amp; &amp;amp;\;| \; - x\cdot\lg\,5 -\lg\,&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;2 &lt;/ins&gt;\\&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;#160;&amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; x\cdot\lg\,3 - x\cdot\lg\,5 &amp;amp; = \lg\,4 - \lg\,2&amp;#160; &amp;#160; &amp;#160;  \; &amp;amp; &amp;amp;: \;\text{Bryt ut x i VL}\\&amp;#160; &amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;#160;&amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; x\cdot\lg\,3 - x\cdot\lg\,5 &amp;amp; = \lg\,4 - \lg\,2&amp;#160; &amp;#160; &amp;#160;  \; &amp;amp; &amp;amp;: \;\text{Bryt ut x i VL}\\&amp;#160; &amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;#160;&amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; x\cdot(\lg\,3 - \lg\,5) &amp;amp; = \lg\,4 - \lg\,2&amp;#160; \\&amp;#160; &amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;#160;&amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; x\cdot(\lg\,3 - \lg\,5) &amp;amp; = \lg\,4 - \lg\,2&amp;#160; \\&amp;#160; &amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;#160;&amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; x&amp;#160;  &amp;amp; = {\lg\,4 - \lg\,2 \over \lg\,3 - \lg\,5}&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;#160;&amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; x&amp;#160;  &amp;amp; = {\lg\,4 - \lg\,2 \over \lg\,3 - \lg\,5}&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;#160;&amp;#160; &amp;#160; &amp;#160; \end{align}&amp;lt;/math&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;#160;&amp;#160; &amp;#160; &amp;#160; \end{align}&amp;lt;/math&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Taifun</name></author>	</entry>

	<entry>
		<id>https://minidemo.mathonline.se/index.php?title=1.7_L%C3%B6sning_5b&amp;diff=4119&amp;oldid=prev</id>
		<title>Taifun den 12 april 2011 kl. 22.53</title>
		<link rel="alternate" type="text/html" href="https://minidemo.mathonline.se/index.php?title=1.7_L%C3%B6sning_5b&amp;diff=4119&amp;oldid=prev"/>
				<updated>2011-04-12T22:53:14Z</updated>
		
		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table class='diff diff-contentalign-left'&gt;
				&lt;col class='diff-marker' /&gt;
				&lt;col class='diff-content' /&gt;
				&lt;col class='diff-marker' /&gt;
				&lt;col class='diff-content' /&gt;
				&lt;tr style='vertical-align: top;'&gt;
				&lt;td colspan='2' style=&quot;background-color: white; color:black; text-align: center;&quot;&gt;← Äldre version&lt;/td&gt;
				&lt;td colspan='2' style=&quot;background-color: white; color:black; text-align: center;&quot;&gt;Versionen från 12 april 2011 kl. 22.53&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Rad 1:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Rad 1:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;lt;math&amp;gt;\begin{align}&amp;#160; &amp;#160; &amp;#160; &amp;#160;  2 \cdot 3^x &amp;amp; = 4 \cdot 5^x&amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; \; &amp;amp; &amp;amp;\;| \;\lg\,(\,\cdot\,)&amp;#160;  \\&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;lt;math&amp;gt;\begin{align}&amp;#160; &amp;#160; &amp;#160; &amp;#160;  2 \cdot 3^x &amp;amp; = 4 \cdot 5^x&amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; \; &amp;amp; &amp;amp;\;| \;\lg\,(\,\cdot\,)&amp;#160;  \\&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;#160;&amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160;  \lg\,(2 \cdot 3^x) &amp;amp; = \lg\,(4 \cdot 5^x)&amp;#160; &amp;#160;  \; &amp;amp; &amp;amp;: \;\text{Logaritmlag 1 &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;i VL&lt;/del&gt;}\\&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;#160;&amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160;  \lg\,(2 \cdot 3^x) &amp;amp; = \lg\,(4 \cdot 5^x)&amp;#160; &amp;#160;  \; &amp;amp; &amp;amp;: \;\text{Logaritmlag 1}\\&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;#160;&amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; \lg\,2 + \lg\,(3\,^x) &amp;amp; = \lg\,4 + \lg\,(5\,^x)&amp;#160; \; &amp;amp; &amp;amp;: \;\text{Logaritmlag 3 &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;i VL + HL&lt;/del&gt;}\\&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;#160;&amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; \lg\,2 + \lg\,(3\,^x) &amp;amp; = \lg\,4 + \lg\,(5\,^x)&amp;#160; \; &amp;amp; &amp;amp;: \;\text{Logaritmlag 3}\\&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;#160;&amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; \lg\,2 + x\cdot\lg\,3 &amp;amp; = \lg\,4 + x\cdot\lg\,5&amp;#160; \; &amp;amp; &amp;amp;\;| \; - x\cdot\lg\,5 -\lg\,3 \\&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;#160;&amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; \lg\,2 + x\cdot\lg\,3 &amp;amp; = \lg\,4 + x\cdot\lg\,5&amp;#160; \; &amp;amp; &amp;amp;\;| \; - x\cdot\lg\,5 -\lg\,3 \\&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;#160;&amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; x\cdot\lg\,3 - x\cdot\lg\,5 &amp;amp; = \lg\,4 - \lg\,2&amp;#160; &amp;#160; &amp;#160;  \; &amp;amp; &amp;amp;: \;\text{Bryt ut x i VL}\\&amp;#160; &amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;#160;&amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; x\cdot\lg\,3 - x\cdot\lg\,5 &amp;amp; = \lg\,4 - \lg\,2&amp;#160; &amp;#160; &amp;#160;  \; &amp;amp; &amp;amp;: \;\text{Bryt ut x i VL}\\&amp;#160; &amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Taifun</name></author>	</entry>

	<entry>
		<id>https://minidemo.mathonline.se/index.php?title=1.7_L%C3%B6sning_5b&amp;diff=4117&amp;oldid=prev</id>
		<title>Taifun den 12 april 2011 kl. 22.49</title>
		<link rel="alternate" type="text/html" href="https://minidemo.mathonline.se/index.php?title=1.7_L%C3%B6sning_5b&amp;diff=4117&amp;oldid=prev"/>
				<updated>2011-04-12T22:49:08Z</updated>
		
		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table class='diff diff-contentalign-left'&gt;
				&lt;col class='diff-marker' /&gt;
				&lt;col class='diff-content' /&gt;
				&lt;col class='diff-marker' /&gt;
				&lt;col class='diff-content' /&gt;
				&lt;tr style='vertical-align: top;'&gt;
				&lt;td colspan='2' style=&quot;background-color: white; color:black; text-align: center;&quot;&gt;← Äldre version&lt;/td&gt;
				&lt;td colspan='2' style=&quot;background-color: white; color:black; text-align: center;&quot;&gt;Versionen från 12 april 2011 kl. 22.49&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Rad 4:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Rad 4:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;#160;&amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; \lg\,2 + x\cdot\lg\,3 &amp;amp; = \lg\,4 + x\cdot\lg\,5&amp;#160; \; &amp;amp; &amp;amp;\;| \; - x\cdot\lg\,5 -\lg\,3 \\&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;#160;&amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; \lg\,2 + x\cdot\lg\,3 &amp;amp; = \lg\,4 + x\cdot\lg\,5&amp;#160; \; &amp;amp; &amp;amp;\;| \; - x\cdot\lg\,5 -\lg\,3 \\&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;#160;&amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; x\cdot\lg\,3 - x\cdot\lg\,5 &amp;amp; = \lg\,4 - \lg\,2&amp;#160; &amp;#160; &amp;#160;  \; &amp;amp; &amp;amp;: \;\text{Bryt ut x i VL}\\&amp;#160; &amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;#160;&amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; x\cdot\lg\,3 - x\cdot\lg\,5 &amp;amp; = \lg\,4 - \lg\,2&amp;#160; &amp;#160; &amp;#160;  \; &amp;amp; &amp;amp;: \;\text{Bryt ut x i VL}\\&amp;#160; &amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;#160;&amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; x\cdot(\lg\,&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;6 &lt;/del&gt;- \lg\,&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;7&lt;/del&gt;) &amp;amp; = -\lg\,&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;5 &lt;/del&gt; \\&amp;#160; &amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;#160;&amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; x\cdot(\lg\,&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;3 &lt;/ins&gt;- \lg\,&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;5&lt;/ins&gt;) &amp;amp; = &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;\lg\,4 &lt;/ins&gt;- \lg\,&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;2 &lt;/ins&gt; \\&amp;#160; &amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;#160;&amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; x&amp;#160;  &amp;amp; = {-\lg\,&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;5 &lt;/del&gt;\over \lg\,&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;6 &lt;/del&gt;- \lg\,&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;7&lt;/del&gt;}&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;#160;&amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; x&amp;#160;  &amp;amp; = {&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;\lg\,4 &lt;/ins&gt;- \lg\,&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;2 &lt;/ins&gt;\over \lg\,&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;3 &lt;/ins&gt;- \lg\,&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;5&lt;/ins&gt;}&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;#160;&amp;#160; &amp;#160; &amp;#160; \end{align}&amp;lt;/math&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;#160;&amp;#160; &amp;#160; &amp;#160; \end{align}&amp;lt;/math&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Taifun</name></author>	</entry>

	<entry>
		<id>https://minidemo.mathonline.se/index.php?title=1.7_L%C3%B6sning_5b&amp;diff=4116&amp;oldid=prev</id>
		<title>Taifun den 12 april 2011 kl. 22.47</title>
		<link rel="alternate" type="text/html" href="https://minidemo.mathonline.se/index.php?title=1.7_L%C3%B6sning_5b&amp;diff=4116&amp;oldid=prev"/>
				<updated>2011-04-12T22:47:11Z</updated>
		
		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table class='diff diff-contentalign-left'&gt;
				&lt;col class='diff-marker' /&gt;
				&lt;col class='diff-content' /&gt;
				&lt;col class='diff-marker' /&gt;
				&lt;col class='diff-content' /&gt;
				&lt;tr style='vertical-align: top;'&gt;
				&lt;td colspan='2' style=&quot;background-color: white; color:black; text-align: center;&quot;&gt;← Äldre version&lt;/td&gt;
				&lt;td colspan='2' style=&quot;background-color: white; color:black; text-align: center;&quot;&gt;Versionen från 12 april 2011 kl. 22.47&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Rad 1:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Rad 1:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;lt;math&amp;gt;\begin{align} &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;&amp;#160; &amp;#160; &amp;#160; 5 &lt;/del&gt;\cdot &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;6\,&lt;/del&gt;^x &amp;amp; = &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;7&lt;/del&gt;\&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;,&lt;/del&gt;^x &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;&amp;#160; &amp;#160; &amp;#160; &amp;#160; &lt;/del&gt;\; &amp;amp; &amp;amp;\;| \;\lg\,(\,\cdot\,)&amp;#160;  \\&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;lt;math&amp;gt;\begin{align} &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;&amp;#160; &amp;#160; &amp;#160; &amp;#160; 2 &lt;/ins&gt;\cdot &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;3&lt;/ins&gt;^x &amp;amp; = &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;4 &lt;/ins&gt;\&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;cdot 5&lt;/ins&gt;^x &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;&amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160;  &lt;/ins&gt;\; &amp;amp; &amp;amp;\;| \;\lg\,(\,\cdot\,)&amp;#160;  \\&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;&amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160;  &lt;/del&gt;\lg\,(&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;5 &lt;/del&gt;\cdot &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;6\,&lt;/del&gt;^x) &amp;amp; = \lg\,(&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;7&lt;/del&gt;\&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;,&lt;/del&gt;^x) &lt;del class=&quot;diffchange diffchange-inline&quot;&gt; &lt;/del&gt;\; &amp;amp; &amp;amp;: \;\text{Logaritmlag 1 i VL}\\&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;&amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160;  &lt;/ins&gt;\lg\,(&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;2 &lt;/ins&gt;\cdot &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;3&lt;/ins&gt;^x) &amp;amp; = \lg\,(&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;4 &lt;/ins&gt;\&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;cdot 5&lt;/ins&gt;^x) &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;&amp;#160; &amp;#160; &lt;/ins&gt;\; &amp;amp; &amp;amp;: \;\text{Logaritmlag 1 i VL}\\&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;#160;&amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; \lg\,&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;5 &lt;/del&gt;+ \lg\,(&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;6&lt;/del&gt;\,^x) &amp;amp; = \lg\,(&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;7&lt;/del&gt;\,^x)&amp;#160; \; &amp;amp; &amp;amp;: \;\text{Logaritmlag 3 i VL + HL}\\&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;#160;&amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; \lg\,&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;2 &lt;/ins&gt;+ \lg\,(&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;3&lt;/ins&gt;\,^x) &amp;amp; = &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;\lg\,4 + &lt;/ins&gt;\lg\,(&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;5&lt;/ins&gt;\,^x)&amp;#160; \; &amp;amp; &amp;amp;: \;\text{Logaritmlag 3 i VL + HL}\\&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;#160;&amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; \lg\,&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;5 &lt;/del&gt;+ x\cdot\lg\,&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;6 &lt;/del&gt;&amp;amp; = x\cdot\lg\,&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;7 &lt;/del&gt; \; &amp;amp; &amp;amp;\;| \; - x\cdot\lg\,&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;7 &lt;/del&gt;-\lg\,&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;5 &lt;/del&gt;\\&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;#160;&amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; \lg\,&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;2 &lt;/ins&gt;+ x\cdot\lg\,&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;3 &lt;/ins&gt;&amp;amp; = &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;\lg\,4 + &lt;/ins&gt;x\cdot\lg\,&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;5 &lt;/ins&gt; \; &amp;amp; &amp;amp;\;| \; - x\cdot\lg\,&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;5 &lt;/ins&gt;-\lg\,&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;3 &lt;/ins&gt;\\&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;#160;&amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; x\cdot\lg\,&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;6 &lt;/del&gt;- x\cdot\lg\,&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;7 &lt;/del&gt;&amp;amp; = -\lg\,&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;5 &lt;/del&gt;&amp;#160; &amp;#160; &amp;#160; \; &amp;amp; &amp;amp;: \;\text{Bryt ut x i VL}\\&amp;#160; &amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;#160;&amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; x\cdot\lg\,&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;3 &lt;/ins&gt;- x\cdot\lg\,&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;5 &lt;/ins&gt;&amp;amp; = &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;\lg\,4 &lt;/ins&gt;- \lg\,&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;2 &lt;/ins&gt;&amp;#160; &amp;#160; &amp;#160; \; &amp;amp; &amp;amp;: \;\text{Bryt ut x i VL}\\&amp;#160; &amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;#160;&amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; x\cdot(\lg\,6 - \lg\,7) &amp;amp; = -\lg\,5&amp;#160; \\&amp;#160; &amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;#160;&amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; x\cdot(\lg\,6 - \lg\,7) &amp;amp; = -\lg\,5&amp;#160; \\&amp;#160; &amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;#160;&amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; x&amp;#160;  &amp;amp; = {-\lg\,5 \over \lg\,6 - \lg\,7}&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;#160;&amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; x&amp;#160;  &amp;amp; = {-\lg\,5 \over \lg\,6 - \lg\,7}&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;#160;&amp;#160; &amp;#160; &amp;#160; \end{align}&amp;lt;/math&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;#160;&amp;#160; &amp;#160; &amp;#160; \end{align}&amp;lt;/math&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Taifun</name></author>	</entry>

	<entry>
		<id>https://minidemo.mathonline.se/index.php?title=1.7_L%C3%B6sning_5b&amp;diff=4115&amp;oldid=prev</id>
		<title>Taifun: Created page with &quot;&lt;math&gt;\begin{align}       5 \cdot 6\,^x &amp; = 7\,^x         \; &amp; &amp;\;| \;\lg\,(\,\cdot\,)   \\                    \lg\,(5 \cdot 6\,^x) &amp; = \lg\,(7\,^x)  \; &amp; &amp;: \;\text{Logaritmlag ...&quot;</title>
		<link rel="alternate" type="text/html" href="https://minidemo.mathonline.se/index.php?title=1.7_L%C3%B6sning_5b&amp;diff=4115&amp;oldid=prev"/>
				<updated>2011-04-12T22:41:28Z</updated>
		
		<summary type="html">&lt;p&gt;Created page with &amp;quot;&amp;lt;math&amp;gt;\begin{align}       5 \cdot 6\,^x &amp;amp; = 7\,^x         \; &amp;amp; &amp;amp;\;| \;\lg\,(\,\cdot\,)   \\                    \lg\,(5 \cdot 6\,^x) &amp;amp; = \lg\,(7\,^x)  \; &amp;amp; &amp;amp;: \;\text{Logaritmlag ...&amp;quot;&lt;/p&gt;
&lt;p&gt;&lt;b&gt;Ny sida&lt;/b&gt;&lt;/p&gt;&lt;div&gt;&amp;lt;math&amp;gt;\begin{align}       5 \cdot 6\,^x &amp;amp; = 7\,^x         \; &amp;amp; &amp;amp;\;| \;\lg\,(\,\cdot\,)   \\&lt;br /&gt;
                   \lg\,(5 \cdot 6\,^x) &amp;amp; = \lg\,(7\,^x)  \; &amp;amp; &amp;amp;: \;\text{Logaritmlag 1 i VL}\\&lt;br /&gt;
                  \lg\,5 + \lg\,(6\,^x) &amp;amp; = \lg\,(7\,^x)  \; &amp;amp; &amp;amp;: \;\text{Logaritmlag 3 i VL + HL}\\&lt;br /&gt;
                  \lg\,5 + x\cdot\lg\,6 &amp;amp; = x\cdot\lg\,7  \; &amp;amp; &amp;amp;\;| \; - x\cdot\lg\,7 -\lg\,5 \\&lt;br /&gt;
            x\cdot\lg\,6 - x\cdot\lg\,7 &amp;amp; = -\lg\,5       \; &amp;amp; &amp;amp;: \;\text{Bryt ut x i VL}\\  &lt;br /&gt;
                x\cdot(\lg\,6 - \lg\,7) &amp;amp; = -\lg\,5  \\  &lt;br /&gt;
                                    x   &amp;amp; = {-\lg\,5 \over \lg\,6 - \lg\,7}&lt;br /&gt;
      \end{align}&amp;lt;/math&amp;gt;&lt;/div&gt;</summary>
		<author><name>Taifun</name></author>	</entry>

	</feed>