# evaluate integral

• Jan 25th 2009, 02:11 PM
vinson24
evaluate integral
$\int(t^2+(1/t^2))^2$
kinda lost been a while
• Jan 25th 2009, 02:16 PM
galactus
Just expand and integrate term by term.

$\left(t^{2}+\frac{1}{t^{2}}\right)^{2}=t^{4}+t^{-4}+2$
• Jan 25th 2009, 02:17 PM
vinson24
ok thanks i just wanted to make sure that the denom"s didnt have to be the same