# Math Help - Integrals

1. ## Integrals

I need help in this integrals! Pleaseee!

1. $\int e^{t^3} t^2e^{t^3}$

2. $\int e^{-t^3/3} 1/t^2$

2. Originally Posted by littlesohi

1. $\int e^{t^3} t^2e^{t^3}$
$\int e^{t^3} t^2e^{t^3}~dt = \int e^{2t^3} t^2~dt$

Now by parts twice or make $u = 2t^3$