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		<title>2.4 Lösning 3d - Versionshistorik</title>
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		<updated>2026-11-05T09:44:35Z</updated>
		<subtitle>Versionshistorik för denna sida på wikin</subtitle>
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		<id>https://wiki.mattekollen.se/index.php?title=2.4_L%C3%B6sning_3d&amp;diff=16358&amp;oldid=prev</id>
		<title>Taifun den 17 oktober 2014 kl. 14.12</title>
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				<updated>2014-10-17T14:12:19Z</updated>
		
		<summary type="html">&lt;p&gt;&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; y = 7\,x^4 - {25 \over x} = 7\,x^4 - 25\cdot{1 \over x} &amp;lt;/math&amp;gt;&lt;br /&gt;
&lt;br /&gt;
:&amp;lt;math&amp;gt; y\,' = 28\,x^3 - 25\cdot\left(-{1 \over x^2}\right) = 28\,x^3 + {25 \over x^2} &amp;lt;/math&amp;gt;&lt;/div&gt;</summary>
		<author><name>Taifun</name></author>	</entry>

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