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AP EAMCET · Maths · Limits

\[
\lim _{x \rightarrow 0}\left(\frac{e^x-1}{x}\right)^{\frac{x}{x+1-e^x}}=
\]

  1. A \(e\)
  2. B \(e^{-1}\)
  3. C \(e^2\)
  4. D \(e^{-2}\)
Verified Solution

Answer & Solution

Correct Answer

(B) \(e^{-1}\)

Step-by-step Solution

Detailed explanation

\begin{aligned} & \lim _{x \rightarrow 0}\left(\frac{e^x-1}{x}\right)^{\frac{x}{x+1-e^x}} \\ = & \lim _{x \rightarrow 0}\left[1+\frac{e^x-1}{x}-1\right]^{\frac{x}{x+1-e^x}} \\ = & \lim _{x \rightarrow 0}\left[1+\frac{e^x-1-x}{x}\right]^{\frac{-x}{e^x-1-x}} \\ = & e^{-1}…