JEE Main 12 Jan 2019 Shift 2 Solved Paper

Section: Mathematics

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Question : 38 of 90

Marks: +1, -0

Let f be a differentiable function such that f

[12 Jan 2019 Shift 2]

= 2 and f '(x) = f(x) for all x ∊ R. If h(x) = f(f(x)), then h'(1) is equal to : (1) 4e
4e2
2e
2e2

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