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 + (4/6)^N - 2 * (5/6)^N = 2/36
1 + (4/6)^N - 2 * (5/6)^N = 2/36
Natural Language
Math Input
Extended Keyboard
Examples
Upload
Random
