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.
minimize x^2+y^2+z^2 on x^2 − x*y + y^2 + 2*z^2 = 4
Natural Language
Math Input
Extended Keyboard
Examples
Upload
Random