Let be such that and

MATHEMATICS · Single correct · CBSE · Mathematics · Limits and Derivatives · Limits and Derivatives

Problem

Let f:R→Rf:\mathbb{R}\to\mathbb{R} be such that f(0)=3f(0)=3 and f′(0)=6f'(0)=6. Then lim⁡x→0[f(x)f(0)]1/x\lim_{x\to0}\left[\frac{f(x)}{f(0)}\right]^{1/x} equals (1) 1 (2) e2e^2 (3) e3e^3 (4) e4e^4

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