What is the critical f(x)=5x^2-3y^2-30x+7y+4xy ?

The critical f(x)=5x^2-3y^2-30x+7y+4xy is (2, 5/2)

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critical f(x)=5x^2-3y^2-30x+7y+4xy

critical points

f (x) = 5 x^{2} - 3 y^{2} - 30 x + 7 y + 4 x y

(2, \frac{5}{2})

Solution steps

5 x^{2} - 3 y^{2} - 30 x + 7 y + 4 x y

Find where

\nabla f (x, y)

is equal to zero or undefined

(2, \frac{5}{2})

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

y = \frac{1}{x - 2} - 3

f (x) = cos (x) - sin (x), (0, 2 π)

f (x) = I n (2 x - 1)

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

What is the critical f(x)=5x^2-3y^2-30x+7y+4xy ?
The critical f(x)=5x^2-3y^2-30x+7y+4xy is (2, 5/2)