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		<id>https://wiki.mattekollen.se/index.php?action=history&amp;feed=atom&amp;title=1.4_L%C3%B6sning_9a</id>
		<title>1.4 Lösning 9a - Versionshistorik</title>
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		<updated>2026-11-05T14:19:11Z</updated>
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		<id>https://wiki.mattekollen.se/index.php?title=1.4_L%C3%B6sning_9a&amp;diff=12036&amp;oldid=prev</id>
		<title>Taifun den 3 augusti 2014 kl. 22.11</title>
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				<updated>2014-08-03T22:11:53Z</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;big&amp;gt;&amp;lt;big&amp;gt;&amp;lt;math&amp;gt; \left({1 \over 2\,x - 1} + {1 \over 2\,x + 1}\right) \cdot {2\,x + 1 \over 2\,x} = {2\,x + 1 \over 2\,x\,(2\,x - 1)} + {1 \over 2\,x} = &amp;lt;/math&amp;gt;&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&amp;lt;math&amp;gt; = {2\,x + 1 \over 2\,x\,(2\,x - 1)} + {2\,x - 1 \over 2\,x\,(2\,x - 1)} = {2\,x + 1 + 2\,x - 1 \over 2\,x\,(2\,x - 1)} = &amp;lt;/math&amp;gt;&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&amp;lt;math&amp;gt; = {4\,x \over 2\,x\,(2\,x - 1)} = {2 \over 2\,x - 1} &amp;lt;/math&amp;gt;&amp;lt;/big&amp;gt;&amp;lt;/big&amp;gt;&lt;/div&gt;</summary>
		<author><name>Taifun</name></author>	</entry>

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