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		<title>Wie vereinfacht man #sqrt (7x) (sqrt x-7sqrt 7) #?</title>
		<link>https://dieklugeeule.com/wie-vereinfacht-man-sqrt-7x-sqrt-x-7sqrt-7/</link>
		
		<dc:creator><![CDATA[Star]]></dc:creator>
		<pubDate>Mon, 17 Feb 2020 18:25:35 +0000</pubDate>
				<category><![CDATA[Algebra]]></category>
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					<description><![CDATA[Wie vereinfacht man #sqrt (7x) (sqrt x-7sqrt 7) #? Antworten: #sqrt(7) x - 49sqrt(x)# Erläuterung: Erweitern Sie zunächst durch Multiplikation #sqrt(7x) * sqrt (x)# und #sqrt(7x) * 7 sqrt(7)# beziehungsweise: #sqrt(7x) (sqrt(x) - 7 sqrt(7)) = sqrt(7x) * sqrt (x) - sqrt(7x) * 7 sqrt(7)# ... kannst du ausdrücken #sqrt(7x)# as #sqrt(7) * sqrt(x)#... # ... <a title="Wie vereinfacht man #sqrt (7x) (sqrt x-7sqrt 7) #?" class="read-more" href="https://dieklugeeule.com/wie-vereinfacht-man-sqrt-7x-sqrt-x-7sqrt-7/" aria-label="Mehr dazu unter Wie vereinfacht man #sqrt (7x) (sqrt x-7sqrt 7) #?">Weiterlesen</a>]]></description>
										<content:encoded><![CDATA[<h1 class="questionTitle">Wie vereinfacht man #sqrt (7x) (sqrt x-7sqrt 7) #?</h1>
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<p>#sqrt(7) x  - 49sqrt(x)#</p>
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<h4 class="answerHeader">Erläuterung:</h4>
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<p>Erweitern Sie zunächst durch Multiplikation #sqrt(7x) * sqrt (x)# und #sqrt(7x) * 7 sqrt(7)# beziehungsweise:</p>
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<p>#sqrt(7x) (sqrt(x) - 7 sqrt(7)) = sqrt(7x) * sqrt (x) - sqrt(7x) * 7 sqrt(7)#</p>
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<p>... kannst du ausdrücken #sqrt(7x)#  as  #sqrt(7) * sqrt(x)#...</p>
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<p># = sqrt(7) * color(blue)(sqrt(x) * sqrt (x)) - color(orange)(sqrt(7)) * sqrt(x) * 7 * color(orange)(sqrt(7))#</p>
<p># = sqrt(7) * color(blue)((sqrt(x))^2) - color(orange)((sqrt(7))^2) * sqrt(x) * 7 #</p>
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<p>... die Operationen Quadrieren und Wurzeln ziehen &quot;eliminieren sich gegenseitig&quot; ...</p>
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<p># = sqrt(7) * x  - 7 * sqrt(x) * 7#</p>
<p># = sqrt(7) x  - 49sqrt(x)#</p>
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<p>Hoffe das hat geholfen!</p>
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