Uh oh! Wolfram|Alpha doesn't run without JavaScript.
Please enable JavaScript. If you don't know how, you can find instructions
here
.
Once you've done that, refresh this page to start using Wolfram|Alpha.
int 0 to 4pi of x [-sin(x) + cos(x)] + x^2 dx
int 0 to 4pi of x [-sin(x) + cos(x)] + x^2 dx
Natural Language
Math Input
Extended Keyboard
