What is the critical f(x)=x^2y-4y^2-x^2+5 ?

The critical f(x)=x^2y-4y^2-x^2+5 is (0,0),(2sqrt(2),1),(-2sqrt(2),1)

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critical f(x)=x^2y-4y^2-x^2+5

critical points

f (x) = x^{2} y - 4 y^{2} - x^{2} + 5

(0, 0), (22, 1), (- 22, 1)

Solution steps

x^{2} y - 4 y^{2} - x^{2} + 5

Find where

\nabla f (x, y)

is equal to zero or undefined

(0, 0), (22, 1), (- 22, 1)

f (x) = x^{5} - 5 x^{4} + 8

f (x) = 4 x^{2} - 5 x + 1

f (x, y) = 2 y^{3} - 6 x y - x^{2}

F (x) = x^{\frac{4}{5}} (x - 6)^{2}

cos (6 x), 0 \leq x \leq \frac{π}{2}

What is the critical f(x)=x^2y-4y^2-x^2+5 ?
The critical f(x)=x^2y-4y^2-x^2+5 is (0,0),(2sqrt(2),1),(-2sqrt(2),1)