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.
{2, 1, -1} cross {3, 0, -2}
{2, 1, -1} cross {3, 0, -2}
Natural Language
Math Input
Extended Keyboard
