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.
(4-pi)/4 - (x (x+1) (sqrt(x^2+1)-x)^2)/(2 (x^2+1)) where x=1
Natural Language
Math Input
Extended Keyboard
Examples
Upload
Random