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let f and g be differentiable functions on R such that fog is the identity functions. If for some, a, b ϵ R, g'(a) = 5 and g(a) = b, then, f'(b) is equal to(1) 1/5(2) 1(3) 2/5(4) 5

Answer» let f and g be differentiable functions on R such that fog is the identity functions. If for some, a, b ϵ R, g'(a) = 5 and g(a) = b, then, f'(b) is equal to
(1) 1/5
(2) 1
(3) 2/5
(4) 5


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