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		<title>2.3 Lösning 6a - Versionshistorik</title>
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		<updated>2026-06-20T03:42:23Z</updated>
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		<title>Taifun den 10 oktober 2014 kl. 12.33</title>
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				<updated>2014-10-10T12:33:40Z</updated>
		
		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table class='diff diff-contentalign-left'&gt;
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				&lt;col class='diff-content' /&gt;
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				&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 10 oktober 2014 kl. 12.33&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{array}{rcl} &lt;/del&gt;f(&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;25&lt;/del&gt;+h) &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;&amp;amp; &lt;/del&gt;= &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;&amp;amp; 4\,&lt;/del&gt;(&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;25&lt;/del&gt;+h)^2 &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;- 380\,&lt;/del&gt;(&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;25+&lt;/del&gt;h) &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;+ 9000&amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;amp; &lt;/del&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;:&amp;lt;math&amp;gt; f&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;\,&lt;/ins&gt;(&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;-3 &lt;/ins&gt;+ h) = (&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;-3 &lt;/ins&gt;+ h)^2 &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;= &lt;/ins&gt;(h &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;- 3&lt;/ins&gt;)&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;^2 &lt;/ins&gt;= &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;h^2 - 6&lt;/ins&gt;\&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;,h + 9 &amp;lt;/math&amp;gt;&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;/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;&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;amp; &lt;/del&gt;= &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;&amp;amp; 4\,&lt;/del&gt;(&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;625+50\,h+h&lt;/del&gt;^2&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;) - 9500 - 380\,h + 9000 &amp;amp; &lt;/del&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;&amp;lt;math&amp;gt; f(-3) &lt;/ins&gt;= (&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;-3)&lt;/ins&gt;^2 = &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;9 &amp;lt;/math&amp;gt;&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;/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;&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;amp; = &amp;amp; 2500 &lt;/del&gt;+ &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;200&lt;/del&gt;\,h + &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;4&lt;/del&gt;\&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;,&lt;/del&gt;h^2 - &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;500 - 380&lt;/del&gt;\,h &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;&amp;#160; &amp;#160; &amp;amp; &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;:&amp;lt;math&amp;gt; {f(-3&lt;/ins&gt;+&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;h) - f(-3) \over h} = {h^2 - 6&lt;/ins&gt;\,h + &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;9 - 9 &lt;/ins&gt;\&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;over h} = {&lt;/ins&gt;h^2 - &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;6&lt;/ins&gt;\,h &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;\over h} &lt;/ins&gt;= &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;{h&lt;/ins&gt;\&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;,(h - 6) &lt;/ins&gt;\&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;over h} = h - 6&amp;lt;/math&amp;gt;&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;/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;&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;amp; = &amp;amp;&amp;#160; 4\,h^2 - 180\,h + 2000 &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;lt;math&amp;gt; f\,&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;'&lt;/ins&gt;(-&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;3&lt;/ins&gt;) \; = \; \lim_{h \to 0} \; (h - &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;6&lt;/ins&gt;) \; = \; - &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;6 &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; \end{array}&amp;lt;/math&amp;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;/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;&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;lt;math&amp;gt; f(25) = 4\cdot 25^2 - 380\cdot 25 + 9\,000 = 4\cdot 625 - 9500 + 9000 = 2000 &amp;lt;/math&amp;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;/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;&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;:&amp;lt;math&amp;gt; &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;\begin{array}{rcl} {\Delta y \over \Delta x} &amp;amp; = &amp;amp; {&lt;/del&gt;f&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;(25+h) - f(25) \over h} &amp;amp; = &amp;amp; {4&lt;/del&gt;\,&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;h^2 - 180\,h + 2000 -2000 \over h}&amp;#160; &amp;#160;  &amp;amp; = \\&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;&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;&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;&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; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160;  &amp;amp; = &amp;amp; {4\,h^2 - 180\,h \over h} &amp;amp; = &amp;amp; {h\cdot &lt;/del&gt;(&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;4\,h &lt;/del&gt;- &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;180) \over h} = 4\,h - 180&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; \end{array}&amp;lt;/math&amp;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;/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;&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;lt;math&amp;gt; f\,'(25&lt;/del&gt;) \; = \; \lim_{h \to 0} \; (&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;4\,&lt;/del&gt;h - &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;180&lt;/del&gt;) \; = \; - &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;180 &lt;/del&gt;&amp;lt;/math&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;&amp;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;/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;&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;lt;Big&amp;gt;Dvs vid tiden &amp;lt;math&amp;gt; x = 25\, &amp;lt;/math&amp;gt; sjunker oljans volym med &amp;lt;math&amp;gt; 180\, &amp;lt;/math&amp;gt; liter per minut.&amp;lt;/Big&lt;/del&gt;&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=2.3_L%C3%B6sning_6a&amp;diff=15909&amp;oldid=prev</id>
		<title>Taifun: Skapade sidan med ':&lt;math&gt; \begin{array}{rcl} f(25+h) &amp; = &amp; 4\,(25+h)^2 - 380\,(25+h) + 9000          &amp; = \\                                     &amp; = &amp; 4\,(625+50\,h+h^2) - 9500 - 380\,h + 9000 &amp;...'</title>
		<link rel="alternate" type="text/html" href="https://minidemo.mathonline.se/index.php?title=2.3_L%C3%B6sning_6a&amp;diff=15909&amp;oldid=prev"/>
				<updated>2014-10-10T12:23:11Z</updated>
		
		<summary type="html">&lt;p&gt;Skapade sidan med &amp;#039;:&amp;lt;math&amp;gt; \begin{array}{rcl} f(25+h) &amp;amp; = &amp;amp; 4\,(25+h)^2 - 380\,(25+h) + 9000          &amp;amp; = \\                                     &amp;amp; = &amp;amp; 4\,(625+50\,h+h^2) - 9500 - 380\,h + 9000 &amp;amp;...&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; \begin{array}{rcl} f(25+h) &amp;amp; = &amp;amp; 4\,(25+h)^2 - 380\,(25+h) + 9000          &amp;amp; = \\&lt;br /&gt;
&lt;br /&gt;
                                   &amp;amp; = &amp;amp; 4\,(625+50\,h+h^2) - 9500 - 380\,h + 9000 &amp;amp; = \\&lt;br /&gt;
&lt;br /&gt;
                                   &amp;amp; = &amp;amp; 2500 + 200\,h + 4\,h^2 - 500 - 380\,h     &amp;amp; = \\&lt;br /&gt;
&lt;br /&gt;
                                   &amp;amp; = &amp;amp;  4\,h^2 - 180\,h + 2000 &lt;br /&gt;
        \end{array}&amp;lt;/math&amp;gt;&lt;br /&gt;
&lt;br /&gt;
&amp;lt;math&amp;gt; f(25) = 4\cdot 25^2 - 380\cdot 25 + 9\,000 = 4\cdot 625 - 9500 + 9000 = 2000 &amp;lt;/math&amp;gt;&lt;br /&gt;
&lt;br /&gt;
:&amp;lt;math&amp;gt; \begin{array}{rcl} {\Delta y \over \Delta x} &amp;amp; = &amp;amp; {f(25+h) - f(25) \over h} &amp;amp; = &amp;amp; {4\,h^2 - 180\,h + 2000 -2000 \over h}     &amp;amp; = \\&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
                                                     &amp;amp; = &amp;amp; {4\,h^2 - 180\,h \over h} &amp;amp; = &amp;amp; {h\cdot (4\,h - 180) \over h} = 4\,h - 180&lt;br /&gt;
        \end{array}&amp;lt;/math&amp;gt;&lt;br /&gt;
&lt;br /&gt;
:&amp;lt;math&amp;gt; f\,'(25) \; = \; \lim_{h \to 0} \; (4\,h - 180) \; = \; - 180 &amp;lt;/math&amp;gt;&lt;br /&gt;
&lt;br /&gt;
&amp;lt;Big&amp;gt;Dvs vid tiden &amp;lt;math&amp;gt; x = 25\, &amp;lt;/math&amp;gt; sjunker oljans volym med &amp;lt;math&amp;gt; 180\, &amp;lt;/math&amp;gt; liter per minut.&amp;lt;/Big&amp;gt;&lt;/div&gt;</summary>
		<author><name>Taifun</name></author>	</entry>

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