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Re: [obm-l] outra de sequencia

To: "obm-l" <obm-l@xxxxxxxxxxxxxx>
Subject: Re: [obm-l] outra de sequencia
From: lucianarodriggues@xxxxxxxxxx
Date: Fri, 13 Jun 2008 22:30:58 -0300
Reply-to: obm-l@xxxxxxxxxxxxxx
Sender: owner-obm-l@xxxxxxxxxxxxxx

Ok Gustavo

Obrigada pela ajuda.

Abraços, Luciana

> Ola Luciana,

>

> Então acho que você pode resolver esta questão desta maneira:

>

> a_n= sqrt(n+h) - sqrt(n) = ( sqrt(n+h) - sqrt(n) ) * (sqrt(n+h) + sqrt(n) )/ (sqrt(n+h) + sqrt(n) )

>

> a_n= ( (n+h) - n )/ (sqrt(n+h) + sqrt(n) ) = h / (sqrt(n+h) + sqrt(n) ) tendendo este limite para zero quando n tende para o infinito.

>

> Abraços,

>

--
Gustavo Simões Araújo

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