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Re: [obm-l] Integral



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 -----
Sent: Sunday, April 30, 2006 11:36 PM
Subject: [obm-l] Integral

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