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.
1/(5999999^2)+ 1/(6000001^2) - 2/(sqrt(36000000000001)^2)
Natural Language
Math Input
Extended Keyboard
Examples
Upload
Random
