Question: Partial derivative 4. (15 points) Use the chain rule to find the following partial derivatives. f(x, y) = 2e In(x + y), (A) x =

Partial derivative

4. (15 points) Use the chain rule to find the following partial derivatives. f(x, y) = 2e" In(x + y), (A) x = Vr2+ 2, y = r cos s. Find Of /Or, Of /as. Do not simplify your

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