Question: In Exercises, approximate the indicated derivative for each function by using the definition of the derivative with small values of h. (x, y) = (x

In Exercises, approximate the indicated derivative for each function by using the definition of the derivative with small values of h.

ƒ(x, y) = (x + y2)2x+y
(a) ƒx(2, 1) 

(b) ƒy(2, 1)

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