DifferentiationHard
Question
If f(x) = logx (ln x), then f′(x) at x = e is equal to
Options
A.1/e
B.e
C.1
D.zero
Solution
f(x) = logx(lnx)
⇒ f(x) =
⇒ f′(x) =
⇒ f′(e) =
= 1/e
⇒ f(x) =
⇒ f′(x) =
⇒ f′(e) =
= 1/e Create a free account to view solution
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