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.
a**2 %2B b**2 %3D%3D (4.65 )%5E2 %2C b%2Fa %3D%3D 16%2F9
Natural Language
Math Input
Extended Keyboard
Examples
Upload
Random