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

The critical f(x,y)=3x^2+xy^2-2xy+1 is (0,2),(0,0),(1/6 ,1)

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

critical points

f (x, y) = 3 x^{2} + x y^{2} - 2 x y + 1

(0, 2), (0, 0), (\frac{1}{6}, 1)

Solution steps

3 x^{2} + x y^{2} - 2 x y + 1

Find where

\nabla f (x, y)

is equal to zero or undefined

(0, 2), (0, 0), (\frac{1}{6}, 1)

2 cos (t) + sin (2 t)

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

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

f (x) = \frac{( y - 3 )}{y ^{2} - 3 y + 9}

f (x) = x^{3} + 9 x^{2} - 48 x

What is the critical f(x,y)=3x^2+xy^2-2xy+1 ?
The critical f(x,y)=3x^2+xy^2-2xy+1 is (0,2),(0,0),(1/6 ,1)