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.
x+y=sqrt(3),x*y=1/2,arccot(2x^2)=?
Natural Language
Math Input
Extended Keyboard
Examples
Upload
Random