Math Help - evaluate integral

1. evaluate integral

$\int(t^2+(1/t^2))^2$
kinda lost been a while

2. Just expand and integrate term by term.

$\left(t^{2}+\frac{1}{t^{2}}\right)^{2}=t^{4}+t^{-4}+2$

3. ok thanks i just wanted to make sure that the denom"s didnt have to be the same