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.
s=((2iwm*(r+iw(l-m))+(r+iw(l-m))^2)/(iwm)mw-iz^2)/((2iwm*(r+iw(l-m))+(r+iw(l-m))^2)/(iwm)mw+2mrwz-iz^2)
Natural Language
Math Input
Extended Keyboard
Examples
Upload
Random