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		<id>https://minidemo.mathonline.se/index.php?action=history&amp;feed=atom&amp;title=3.3_L%C3%B6sning_1b</id>
		<title>3.3 Lösning 1b - Versionshistorik</title>
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		<updated>2026-04-09T02:38:39Z</updated>
		<subtitle>Versionshistorik för denna sida på wikin</subtitle>
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	<entry>
		<id>https://minidemo.mathonline.se/index.php?title=3.3_L%C3%B6sning_1b&amp;diff=28658&amp;oldid=prev</id>
		<title>Taifun den 14 februari 2020 kl. 14.45</title>
		<link rel="alternate" type="text/html" href="https://minidemo.mathonline.se/index.php?title=3.3_L%C3%B6sning_1b&amp;diff=28658&amp;oldid=prev"/>
				<updated>2020-02-14T14:45:50Z</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 14 februari 2020 kl. 14.45&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;f'(x) &lt;/del&gt;\, &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;= &lt;/del&gt;\, &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;-&lt;/del&gt;\,3\,x&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;^2 &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;ins class=&quot;diffchange diffchange-inline&quot;&gt;:&lt;/ins&gt;:&amp;lt;math&amp;gt;&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;\begin{array}{rclcl}&amp;#160; &amp;#160; &amp;#160; 8 \;&lt;/ins&gt;\, &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;+ &lt;/ins&gt;\, &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;\boxed{3&lt;/ins&gt;\,&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;x} &amp;amp; = &amp;amp; 17 &amp;amp; \qquad &amp;amp; {\rm Täck\;över\;} &lt;/ins&gt;3\,x &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt; \\&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&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; &amp;#160; &amp;#160; &amp;#160; &amp;#160;  8 \;\, + \, \boxed{\;\,?\;\,} &amp;amp; = &amp;amp; 17 &amp;amp;&amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;amp;&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; \\&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&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; &amp;#160; &amp;#160; &amp;#160; &amp;#160;  8 \;\, + \, \boxed{\;\,9\;\,} &amp;amp; = &amp;amp; 17 &amp;amp;&amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;amp;&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; &lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&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; \end{array}&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;&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;/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;/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;Vi väljer t.ex. punkten &lt;/del&gt;&amp;lt;math&amp;gt; \&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;, x = -0,1 &amp;lt;/math&amp;gt; som ligger till vänster om derivatans nollställe &amp;lt;math&amp;gt; &lt;/del&gt;\&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;, x = 0 &lt;/del&gt;\&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;, &lt;/del&gt;&amp;lt;/math&amp;gt; &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;och bestämmer derivatans tecken i denna punkt:&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; \&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;;&lt;/ins&gt;\&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;; &lt;/ins&gt;\&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;Downarrow &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;&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;/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;/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;:&lt;/del&gt;&amp;lt;math&amp;gt; &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;f' (-0,1) = -&lt;/del&gt;\&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;,&lt;/del&gt;3\cdot &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;(-0&lt;/del&gt;,&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;1)^2 &lt;/del&gt;= &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;-&lt;/del&gt;\&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;,&lt;/del&gt;3\cdot &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;0&lt;/del&gt;,&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;01 &lt;/del&gt;= &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;-&lt;/del&gt;\,&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;0,03 &amp;lt; 0 &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;&amp;lt;math&amp;gt; \&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;; \begin{array}{rclcl}&amp;#160; &lt;/ins&gt;3 &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;\;\, &lt;/ins&gt;\cdot &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;\;\&lt;/ins&gt;, &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;x \; &amp;amp; &lt;/ins&gt;= &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;&amp;amp; 9 &amp;amp; &lt;/ins&gt;\&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;qquad &amp;amp; {\rm Täck\;över\;} x&amp;#160; \\&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&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; &amp;#160; &amp;#160; &amp;#160; &amp;#160;  &lt;/ins&gt;3 &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;\;\, &lt;/ins&gt;\cdot &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;\; \boxed{x} &amp;amp; = &amp;amp; 9 &amp;amp;&amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;amp;&amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160;  \\&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&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; &amp;#160; &amp;#160; &amp;#160; &amp;#160;  3 \;\&lt;/ins&gt;, &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;\cdot \; \boxed{?} &amp;amp; &lt;/ins&gt;= &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;&amp;amp; 9 &amp;amp;&amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;amp;&amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160;  \\&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&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; &amp;#160; &amp;#160; &amp;#160; &amp;#160;  3 \;&lt;/ins&gt;\, &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;\cdot \; \boxed{3} &amp;amp; = &amp;amp; 9 &amp;amp;&amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;amp;&amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160;  \\&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&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; \end{array}&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;&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;/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;/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;Derivatans tecken till vänster om sitt nollställe är &lt;/del&gt;&amp;lt;math&amp;gt; \&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;, - &lt;/del&gt;\, &amp;lt;/math&amp;gt;&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;.&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; \&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;quad\; \Downarrow &amp;lt;/math&amp;gt;&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&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;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&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;lt;math&amp;gt; &lt;/ins&gt;\, &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;x \; = \; 3 &lt;/ins&gt;&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=3.3_L%C3%B6sning_1b&amp;diff=19717&amp;oldid=prev</id>
		<title>Taifun den 30 december 2014 kl. 15.57</title>
		<link rel="alternate" type="text/html" href="https://minidemo.mathonline.se/index.php?title=3.3_L%C3%B6sning_1b&amp;diff=19717&amp;oldid=prev"/>
				<updated>2014-12-30T15:57:33Z</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 30 december 2014 kl. 15.57&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;&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;:&lt;/del&gt;:&amp;lt;math&amp;gt; f'(x) \, = \, -\,3\,x^2 &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;:&amp;lt;math&amp;gt; f'(x) \, = \, -\,3\,x^2 &amp;lt;/math&amp;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;/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;/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;Vi väljer t.ex. punkten &amp;lt;math&amp;gt; \, x = -0,1 &amp;lt;/math&amp;gt; som ligger till vänster om derivatans nollställe &amp;lt;math&amp;gt; \, x = 0 \, &amp;lt;/math&amp;gt; och bestämmer derivatans tecken i denna punkt:&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;Vi väljer t.ex. punkten &amp;lt;math&amp;gt; \, x = -0,1 &amp;lt;/math&amp;gt; som ligger till vänster om derivatans nollställe &amp;lt;math&amp;gt; \, x = 0 \, &amp;lt;/math&amp;gt; och bestämmer derivatans tecken i denna punkt:&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;/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;/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;:&lt;/del&gt;:&amp;lt;math&amp;gt; f' (-0,1) = -\,3\cdot (-0,1)^2 = -\,3\cdot 0,01 = -\,0,03 &amp;lt; 0 &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;:&amp;lt;math&amp;gt; f' (-0,1) = -\,3\cdot (-0,1)^2 = -\,3\cdot 0,01 = -\,0,03 &amp;lt; 0 &amp;lt;/math&amp;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;/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;/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;Derivatans tecken till vänster om sitt nollställe är &amp;lt;math&amp;gt; \, - \, &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;Derivatans tecken till vänster om sitt nollställe är &amp;lt;math&amp;gt; \, - \, &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=3.3_L%C3%B6sning_1b&amp;diff=19704&amp;oldid=prev</id>
		<title>Taifun: Skapade sidan med '::&lt;math&gt; f'(x) \, = \, -\,3\,x^2 &lt;/math&gt;  Vi väljer t.ex. punkten &lt;math&gt; \, x = -0,1 &lt;/math&gt; som ligger till vänster om derivatans nollställe &lt;math&gt; \, x = 0 \, &lt;/math&gt; och...'</title>
		<link rel="alternate" type="text/html" href="https://minidemo.mathonline.se/index.php?title=3.3_L%C3%B6sning_1b&amp;diff=19704&amp;oldid=prev"/>
				<updated>2014-12-30T15:02:18Z</updated>
		
		<summary type="html">&lt;p&gt;Skapade sidan med &amp;#039;::&amp;lt;math&amp;gt; f&amp;#039;(x) \, = \, -\,3\,x^2 &amp;lt;/math&amp;gt;  Vi väljer t.ex. punkten &amp;lt;math&amp;gt; \, x = -0,1 &amp;lt;/math&amp;gt; som ligger till vänster om derivatans nollställe &amp;lt;math&amp;gt; \, x = 0 \, &amp;lt;/math&amp;gt; och...&amp;#039;&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; f'(x) \, = \, -\,3\,x^2 &amp;lt;/math&amp;gt;&lt;br /&gt;
&lt;br /&gt;
Vi väljer t.ex. punkten &amp;lt;math&amp;gt; \, x = -0,1 &amp;lt;/math&amp;gt; som ligger till vänster om derivatans nollställe &amp;lt;math&amp;gt; \, x = 0 \, &amp;lt;/math&amp;gt; och bestämmer derivatans tecken i denna punkt:&lt;br /&gt;
&lt;br /&gt;
::&amp;lt;math&amp;gt; f' (-0,1) = -\,3\cdot (-0,1)^2 = -\,3\cdot 0,01 = -\,0,03 &amp;lt; 0 &amp;lt;/math&amp;gt;&lt;br /&gt;
&lt;br /&gt;
Derivatans tecken till vänster om sitt nollställe är &amp;lt;math&amp;gt; \, - \, &amp;lt;/math&amp;gt;.&lt;/div&gt;</summary>
		<author><name>Taifun</name></author>	</entry>

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