Question: Cant figure this out need some help 1. For the given functions find and classify all critical points and then evaluate z at those points

Cant figure this out need some help 1. For the given

Cant figure this out need some help

1. For the given functions find and classify all critical points and then evaluate z at those points (6 marks each). f(x, y) = x2 + 2xy -y2 - 3x - 5y - 2

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