2cosec(D)-Iff(x) = log,Un (x)), then f' (x) at x-e is equal to(A)e (B) – InterviewSolution

1.	2cosec(D)-Iff(x) = log,Un (x)), then f' (x) at x-e is equal to(A)e (B)-e (C) e (D) e-1Q.12x)
Answer» hence e^-1

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