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.
produto escalar u * v , com u = \langle 2, 2, -1 \rangle and v = \langle -1, 2, 2 \rangle
produto escalar u * v , com u = \langle 2, 2, -1 \rangle and v = \langle -1, 2, 2 \rangle
Natural Language
Math Input
Extended Keyboard