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		<title>1.7 Lösning 5a - Versionshistorik</title>
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		<updated>2026-11-05T20:55:58Z</updated>
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	<entry>
		<id>https://wiki.mattekollen.se/index.php?title=1.7_L%C3%B6sning_5a&amp;diff=4121&amp;oldid=prev</id>
		<title>Taifun den 12 april 2011 kl. 22.55</title>
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				<updated>2011-04-12T22:55:13Z</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;\begin{align}       5 \cdot 6\,^x &amp;amp; = 7\,^x         \; &amp;amp; &amp;amp;\;| \;\lg\,(\,\cdot\,)   \\&lt;br /&gt;
                   \lg\,(5 \cdot 6\,^x) &amp;amp; = \lg\,(7\,^x)  \; &amp;amp; &amp;amp;: \;\text{Logaritmlag 1 i VL}\\&lt;br /&gt;
                  \lg\,5 + \lg\,(6\,^x) &amp;amp; = \lg\,(7\,^x)  \; &amp;amp; &amp;amp;: \;\text{Logaritmlag 3}\\&lt;br /&gt;
                  \lg\,5 + x\cdot\lg\,6 &amp;amp; = x\cdot\lg\,7  \; &amp;amp; &amp;amp;\;| \; - x\cdot\lg\,7 -\lg\,5 \\&lt;br /&gt;
            x\cdot\lg\,6 - x\cdot\lg\,7 &amp;amp; = -\lg\,5       \; &amp;amp; &amp;amp;: \;\text{Bryt ut x i VL}\\  &lt;br /&gt;
                x\cdot(\lg\,6 - \lg\,7) &amp;amp; = -\lg\,5  \\  &lt;br /&gt;
                                    x   &amp;amp; = {-\lg\,5 \over \lg\,6 - \lg\,7}&lt;br /&gt;
      \end{align}&amp;lt;/math&amp;gt;&lt;/div&gt;</summary>
		<author><name>Taifun</name></author>	</entry>

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