Question: a) Prove that (x)' = nxn-1 for every n eN and every x e R. b) Prove that (xn)' = nxn-1 for every n

a) Prove that (x")' = nxn-1 for every n eN and every x e R.
b) Prove that (xn")' = nxn-1 for every n ∊ -NU{0} and every x ∊ (0, ∞).

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