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.
Table[(-1)^(n+1) 2 (x-1)^n / 2^n, {n,1,5}]
Natural Language
Math Input
Extended Keyboard
Examples
Upload
Random
