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.
sum from k=L to U of f(k) when f(k) = ar^k, a = 54.578, r = 0.99997105, L = 1, U = 436422
sum from k=L to U of f(k) when f(k) = ar^k, a = 54.578, r = 0.99997105, L = 1, U = 436422
Natural Language
Math Input
Extended Keyboard
Examples
Upload
Random