Hi,

I have the following integral which i do not know how to solve.

$\displaystyle \int\frac{x^2}{2+x^6}$

Start by using U substitution.

u = $\displaystyle x^3$

du = $\displaystyle 3x^2$

now the integral can be seen as $\displaystyle \frac {1}{3} * \int \frac {du}{2+u^2}$

But now what?