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.
simplify (((h*R) / (h+R))+h) / (((sqrt(h (h+2*R))) *R) / (h+R))
Natural Language
Math Input
Extended Keyboard
Examples
Upload
Random