Question: Find f/x and f/y when f(x, y) is (a) xy + 2x +9y + xy + 10 (b) (x + y) (c) (3x + y

Find ∂f/∂x and ∂f/∂y when f(x, y) is

(a) xy + 2x +9y + xy + 10 (b) (x + y) (c) (3x + y + 2xy)1/2

(a) xy + 2x +9y + xy + 10 (b) (x + y) (c) (3x + y + 2xy)1/2

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