What is the critical f(x,y)=2x^2+y^2+8x-6y+20 ?

The critical f(x,y)=2x^2+y^2+8x-6y+20 is (-2,3)

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critical f(x,y)=2x^2+y^2+8x-6y+20

critical points

f (x, y) = 2 x^{2} + y^{2} + 8 x - 6 y + 20

(- 2, 3)

Solution steps

2 x^{2} + y^{2} + 8 x - 6 y + 20

Find where

\nabla f (x, y)

is equal to zero or undefined

(- 2, 3)

f (x) = \frac{2}{3} x^{3} - x^{2} - 84 - 8

f (x) = 8 x^{3} - 30 x^{2} - 504 x + 1

f (x) = I n^{3} x

f (x, y) = x^{4} + y^{4} + 4 a x y + 8 a^{2}

f (x) = \frac{3 x ^{2}}{x ^{2} - 16}

What is the critical f(x,y)=2x^2+y^2+8x-6y+20 ?
The critical f(x,y)=2x^2+y^2+8x-6y+20 is (-2,3)