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		<id>http://wiki.sommarmatte.se/wikis/2009/bridgecourse1-TU-Berlin/index.php?action=history&amp;feed=atom&amp;title=L%C3%B6sung_5.2%3A1c</id>
		<title>Lösung 5.2:1c - Versionsgeschichte</title>
		<link rel="self" type="application/atom+xml" href="http://wiki.sommarmatte.se/wikis/2009/bridgecourse1-TU-Berlin/index.php?action=history&amp;feed=atom&amp;title=L%C3%B6sung_5.2%3A1c"/>
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		<updated>2026-06-17T16:35:19Z</updated>
		<subtitle>Versionsgeschichte für diese Seite in Online Mathematik Brückenkurs 1</subtitle>
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	<entry>
		<id>http://wiki.sommarmatte.se/wikis/2009/bridgecourse1-TU-Berlin/index.php?title=L%C3%B6sung_5.2:1c&amp;diff=9750&amp;oldid=prev</id>
		<title>Markus.bez: Uebersetzung</title>
		<link rel="alternate" type="text/html" href="http://wiki.sommarmatte.se/wikis/2009/bridgecourse1-TU-Berlin/index.php?title=L%C3%B6sung_5.2:1c&amp;diff=9750&amp;oldid=prev"/>
				<updated>2009-08-10T09:24:31Z</updated>
		
		<summary type="html">&lt;p&gt;Uebersetzung&lt;/p&gt;

			&lt;table style=&quot;background-color: white; color:black;&quot;&gt;
			&lt;col class='diff-marker' /&gt;
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				&lt;td colspan='2' style=&quot;background-color: white; color:black;&quot;&gt;← Nächstältere Version&lt;/td&gt;
				&lt;td colspan='2' style=&quot;background-color: white; color:black;&quot;&gt;Version vom 09:24, 10. Aug. 2009&lt;/td&gt;
			&lt;/tr&gt;
		&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Zeile 1:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Zeile 1:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;-&lt;/td&gt;&lt;td style=&quot;background: #ffa; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;&lt;del style=&quot;color: red; font-weight: bold; text-decoration: none;&quot;&gt;Rewriting &lt;/del&gt;&amp;lt;math&amp;gt;x^2-6x&amp;lt;/math&amp;gt; &lt;del style=&quot;color: red; font-weight: bold; text-decoration: none;&quot;&gt;as &lt;/del&gt;&amp;lt;math&amp;gt;(x-3)^2-9&amp;lt;/math&amp;gt; &lt;del style=&quot;color: red; font-weight: bold; text-decoration: none;&quot;&gt;is perfectly valid and does not change the solutions to the equation&lt;/del&gt;. &lt;del style=&quot;color: red; font-weight: bold; text-decoration: none;&quot;&gt;You should insert an &lt;/del&gt;&amp;lt;math&amp;gt;\Leftrightarrow&amp;lt;/math&amp;gt; &lt;del style=&quot;color: red; font-weight: bold; text-decoration: none;&quot;&gt;arrow between the equations&lt;/del&gt;.&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;background: #cfc; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;&amp;lt;math&amp;gt;x^2-6x&amp;lt;/math&amp;gt; &lt;ins style=&quot;color: red; font-weight: bold; text-decoration: none;&quot;&gt;zu schreiben als &lt;/ins&gt;&amp;lt;math&amp;gt;(x-3)^2-9&amp;lt;/math&amp;gt; &lt;ins style=&quot;color: red; font-weight: bold; text-decoration: none;&quot;&gt;ist genau dasselbe und ändert deshalb die Lösungsmenge nicht&lt;/ins&gt;. &lt;ins style=&quot;color: red; font-weight: bold; text-decoration: none;&quot;&gt;Deshalb verwendet man &lt;/ins&gt;&amp;lt;math&amp;gt;\Leftrightarrow&amp;lt;/math&amp;gt; &lt;ins style=&quot;color: red; font-weight: bold; text-decoration: none;&quot;&gt;zwischen den Gleichungen&lt;/ins&gt;.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Markus.bez</name></author>	</entry>

	<entry>
		<id>http://wiki.sommarmatte.se/wikis/2009/bridgecourse1-TU-Berlin/index.php?title=L%C3%B6sung_5.2:1c&amp;diff=8746&amp;oldid=prev</id>
		<title>Tek: Die Seite wurde neu angelegt: Rewriting &lt;math&gt;x^2-6x&lt;/math&gt; as &lt;math&gt;(x-3)^2-9&lt;/math&gt; is perfectly valid and does not change the solutions to the equation. You should insert an &lt;math&gt;\Leftrightarrow...</title>
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				<updated>2009-04-06T07:48:24Z</updated>
		
		<summary type="html">&lt;p&gt;Die Seite wurde neu angelegt: Rewriting &amp;lt;math&amp;gt;x^2-6x&amp;lt;/math&amp;gt; as &amp;lt;math&amp;gt;(x-3)^2-9&amp;lt;/math&amp;gt; is perfectly valid and does not change the solutions to the equation. You should insert an &amp;lt;math&amp;gt;\Leftrightarrow...&lt;/p&gt;
&lt;p&gt;&lt;b&gt;Neue Seite&lt;/b&gt;&lt;/p&gt;&lt;div&gt;Rewriting &amp;lt;math&amp;gt;x^2-6x&amp;lt;/math&amp;gt; as &amp;lt;math&amp;gt;(x-3)^2-9&amp;lt;/math&amp;gt; is perfectly valid and does not change the solutions to the equation. You should insert an &amp;lt;math&amp;gt;\Leftrightarrow&amp;lt;/math&amp;gt; arrow between the equations.&lt;/div&gt;</summary>
		<author><name>Tek</name></author>	</entry>

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