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 ((x^3cos x/2) + 1/2)√(4-x^2) dx from -2...2
Natural Language
Math Input
Extended Keyboard
Examples
Upload
Random