Continuity and DifferentiabilityHard

Question

If y = f(x3), z = g(x)5, f′(x) = tan x and g′(x) = sec x, then the value of is-

Options

A.
B.
C.
D.None of these

Solution

y = f(x3), z = g(x5)
= f′(x3)  3x2         = g′(x5) × 5x4


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