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      <title><![CDATA[Raizes e Radicais - edy-mat.webnode.page]]></title>
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      <pubDate>Thu, 07 Jun 2012 20:06:00 +0200</pubDate>
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      <category><![CDATA[Raizes e Radicais]]></category>
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         <title><![CDATA[Radicais]]></title>
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	&nbsp;

	Raizes e radicais

	&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Dado um número real&nbsp;a&nbsp;e um número natural&nbsp;, define-se&nbsp;(raiz n-ésima de&nbsp;a) como sendo o número real&nbsp;R, se existir, tal que:

	
		para n par:&nbsp;
		&nbsp;= R &nbsp;desde que&nbsp;&nbsp;e&nbsp;&nbsp;


	
		para n ímpar:
		&nbsp;&nbsp;= R &nbsp;desde que&nbsp;


	Exemplos:&nbsp;
	a)&nbsp;

	b)&nbsp;

	c)&nbsp;&nbsp;&nbsp;» não existe

	d)&nbsp;

	e)&nbsp;

	* Quando n=2, a raiz n-ésima chama-se raiz...]]></description>
         <pubDate>Thu, 07 Jun 2012 20:06:00 +0200</pubDate>
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