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+1 vote
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in Limit, continuity and differentiability by (41.5k points)

Let f : R → R be such that f(1) = 3 and f′(1) = 6. Then lim(x 0)(f(1 + x)/f(1))1/x equals

(A) 1 

(B) e1/2 

(C) e2 

(D) e3

1 Answer

+1 vote
by (41.3k points)
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Best answer

Answer is (C) e2

The form of the limit is 1∞, so

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