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.
Integrate[((x^2 - 2) Sin[x] + 2 x Cos[x])^2/x^6, {x, -Infinity, Infinity}]
Natural Language
Math Input
Extended Keyboard
Examples
Upload
Random