How to find integral of $\sin(x)x^2$

Question

It's possible the integral bellow. What way I must to use for solve it.

$$\int \sin(x)x^2dx$$

Hollywood to the rescue: http://www.youtube.com/watch?v=vlN0We25DF4 ;-) — Hans Lundmark, Jan 02 '15 at 17:53

score 1 · Answer 1 · answered Jan 02 '15 at 17:51

1

Hint : Try integration by parts twice.

answered Jan 02 '15 at 17:51

Peter

score 1 · Answer 2 · answered Jan 02 '15 at 18:59

1

Hint: Find the antiderivative of $\sin(ax)$, then differentiate it twice with regard to a, and let $a=1$.

answered Jan 02 '15 at 18:59

Lucian

2 Answers2