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.
v2 = -2/1(1/x - 2/x2 + 1/x3 + 1/8), x=1
Natural Language
Math Input
Extended Keyboard
Examples
Upload
Random