What is the critical f(x,y)=2x^3+6xy^2-3y^3-150x ?

The critical f(x,y)=2x^3+6xy^2-3y^3-150x is (3,4),(-3,-4)

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critical f(x,y)=2x^3+6xy^2-3y^3-150x

critical points

f (x, y) = 2 x^{3} + 6 x y^{2} - 3 y^{3} - 150 x

(3, 4), (- 3, - 4)

Solution steps

2 x^{3} + 6 x y^{2} - 3 y^{3} - 150 x

Find where

\nabla f (x, y)

is equal to zero or undefined

(3, 4), (- 3, - 4)

f (x) = \frac{4 x ^{2}}{x ^{2} + 49}

f (x) = e^{- x^{2} - y^{2}}

f (x) = \frac{1}{2} x - sin (x)

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

y = \frac{1}{( x - x ^{2} )}

What is the critical f(x,y)=2x^3+6xy^2-3y^3-150x ?
The critical f(x,y)=2x^3+6xy^2-3y^3-150x is (3,4),(-3,-4)