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.
((0,1,-1) cross (1,0,1)) dot (0,2,1)
((0,1,-1) cross (1,0,1)) dot (0,2,1)
Natural Language
Math Input
Extended Keyboard
Examples
Upload
Random