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Re: [obm-l] Integral

To: <obm-l@xxxxxxxxxxxxxx>
Subject: Re: [obm-l] Integral
From: "Marcelo Salhab Brogliato" <k4ss@xxxxxxxxxx>
Date: Mon, 1 May 2006 00:25:47 -0300
References: <ba76f72b0604301936m3b16049che0dd97eb9a3e1e5a@mail.gmail.com>
Reply-To: obm-l@xxxxxxxxxxxxxx
Sender: owner-obm-l@xxxxxxxxxxxxxx

Olá,

usando integral por partes:

int (arctg(x)) = x.arctg(x) - int (x/(1+x^2)) + c

int (arctg(x)) = x.arctg(x) - ln(1+x^2) / 2 + c

abraços,

Salhab

----- Original Message -----

From: Luiz Miletto

To: obm-l@mat.puc-rio.br

Sent: Sunday, April 30, 2006 11:36 PM

Subject: [obm-l] Integral

Demonstrar a integral de arco tangente de u(x):

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