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

The critical f(x,y)=x^2+xy+y^2-3x+2 is (2,-1)

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

critical points

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

(2, - 1)

Solution steps

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

Find where

\nabla f (x, y)

is equal to zero or undefined

(2, - 1)

\frac{x ^{2} + 1}{x ^{2} - x - 6}

y = x^{\frac{2}{3}} (x^{2} - 4)

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

6 x - x^{2}

f (y) = 6 x^{2} - 9 x^{3} y^{3} + 3 y^{4}

What is the critical f(x,y)=x^2+xy+y^2-3x+2 ?
The critical f(x,y)=x^2+xy+y^2-3x+2 is (2,-1)