x^4-2x^3y+3x^2y^2-2xy^3+y^4, where x=sqrt(2)u-\sqrt(2/3)v,y=sqrt(2)u+\sqrt(2/3)v

Uh oh! Wolfram|Alpha doesn't run without JavaScript.

Please enable JavaScript. If you don't know how, you can find instructionshere.Once you've done that, refresh this page to start using Wolfram|Alpha.