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Frequently Asked Questions (FAQ)
What is the extreme f(x,y)=-x^3+y^3+6x^2-9x-3y^2-9y ?
- The extreme f(x,y)=-x^3+y^3+6x^2-9x-3y^2-9y is Minimum(1,3),Saddle(1,-1),Saddle(3,3),Maximum(3,-1)