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.
k = 2m + 1; V = k^2 + \sum_{k=1}^2 B^k
Natural Language
Math Input
Extended Keyboard
Examples
Upload
Random