MCQ
Let $f(x) = \left\{ {\begin{array}{*{20}{c}}
{\frac{{{{(1 + \tan x)}^{\frac{1}{x}}} - e}}{x};x \ne 0}\\
{k\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,;x \ne 0}
\end{array}} \right.$ be continuous at $x = 0$, then $k$ is-
{\frac{{{{(1 + \tan x)}^{\frac{1}{x}}} - e}}{x};x \ne 0}\\
{k\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,;x \ne 0}
\end{array}} \right.$ be continuous at $x = 0$, then $k$ is-
- ✓$-\frac{e}{2}$
- B$-e$
- C$-\frac{e}{4}$
- D$\frac{e}{4}$