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		<title>2.4 Lösning 3a - Versionshistorik</title>
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		<updated>2026-11-05T07:50:37Z</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_3a&amp;diff=17296&amp;oldid=prev</id>
		<title>Taifun den 10 november 2014 kl. 13.20</title>
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				<updated>2014-11-10T13:20:56Z</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 = {2 \over x} = 2\cdot {1 \over x} = 2\cdot x^{-1} &amp;lt;/math&amp;gt;&lt;br /&gt;
&lt;br /&gt;
:&amp;lt;math&amp;gt; y\,' = (-1) \cdot 2 \cdot x^{-1-1} = -2 \cdot x^{-2} = -2\cdot \left({1 \over x^2}\right) = -{2 \over x^2} &amp;lt;/math&amp;gt;&lt;/div&gt;</summary>
		<author><name>Taifun</name></author>	</entry>

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