Question: calculs 3 Note: please write down the Answer by hand on paper and also write each answer with the number of the questions 3. (a)

calculs 3

Note: please write down the Answer by hand on paper and also write each answer with the number of the questions

3. (a) Find the local maximum and minimum and saddle points of the function f(x, y) = y3 - 6xy + 823 (b) Find absolute maximum and minimum values of f on the set D f(x, y) = xty-2.; D : The closed triangular region with vertices (2, 0), (0, 2), & (0, -2).

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