Question

int x^2 sin(2x) dx can someone please show me steps

Answer 1

got it myself thanks everyone

Answer 2

u= x^2 , dv= sin2x => du = 2x , v = -1/2* cos2x and

Answer 3

use integration by parts ... use x^2 as u,

Answer 4

i guess you have to use integration by parts twice in a row ..