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.
Inverse[{ {x1, x2, x3}, {y1, y2, y3}, {1, 1, 1}}]
Natural Language
Math Input
Extended Keyboard
Examples
Upload
Random
