We've updated our
Privacy Policy effective December 15.
Please read our updated Privacy Policy and tap
Graph
Hide Plot »
Frequently Asked Questions (FAQ)
What is the critical f(x,y)=4x^4+4y^4-xy ?
- The critical f(x,y)=4x^4+4y^4-xy is (0,0),(-1/4 ,-1/4),(1/4 , 1/4)