What is the critical f(x,y)=x^4+y^4+x^2y^2 ?

The critical f(x,y)=x^4+y^4+x^2y^2 is (0,0),(0,0),(0,0)

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critical f(x,y)=x^4+y^4+x^2y^2

critical points

f (x, y) = x^{4} + y^{4} + x^{2} y^{2}

(0, 0), (0, 0), (0, 0)

Solution steps

x^{4} + y^{4} + x^{2} y^{2}

Find where

\nabla f (x, y)

is equal to zero or undefined

(0, 0), (0, 0), (0, 0)

f (x) = \frac{x ^{2} + 9}{x}

f (x, y) = 4 x^{3} - 12 x + 3 x y^{2}

f (x, y) = 3 x e^{y} - x^{3} - e^{3 y}

f (x) = x^{5} - 5 x^{3} - 20 x - 2

x^{\frac{1}{3}} (x - 4)

What is the critical f(x,y)=x^4+y^4+x^2y^2 ?
The critical f(x,y)=x^4+y^4+x^2y^2 is (0,0),(0,0),(0,0)