Question: Let f(r.y) 3 = ;r a Se + 2ry (12) (a) Compute all first order and second order partial derivatives of f. (b) Compute

Let f(r.y) 3 = ;r" a Se + 2ry (12) (a) Compute all first order and second order partial derivatives of f. (b) Compute the two stationary points of f. Use the second derivative test to decide if each of them is a local maximum, minimum, or saddle point.

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