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RE: [obm-l] Limites



Use a identidade

 

X^3 – 1 = (x-1).(x^2+x+1)

 

 

 

-----Original Message-----
From: owner-obm-l@sucuri.mat.puc-rio.br [mailto:owner-obm-l@sucuri.mat.puc-rio.br] On Behalf Of Thomas de Rossi
Sent: Thursday, May 29, 2003 3:10 PM
To: obm-l@mat.puc-rio.br
Subject: [obm-l] Limites

 

Oi pessoal,

gostaria de saber como resolver o limite da funcao abaixo:

lim x->1 (x-1)/(x^3-1)

 

Resposta = 1/3

Sds, Thomas.