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.
n = (1 + sum (3k) from k=0 to x-1) / (2^(x+y) - 3^x)
n = (1 + sum (3k) from k=0 to x-1) / (2^(x+y) - 3^x)
Natural Language
Math Input
