Question: If f is a differentiable function, find an expression for the derivative of each of the following functions. (a) y = x 2 f (x)

If f is a differentiable function, find an expression for the derivative of each of the following functions.
(a) y = x2 f (x)

(b) y = f (x)/x2

(c) y = x2/f (x)

(d) y = 1 + xf (x)/√x

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