23.
\[
\lim_{x \to 0} \frac{\ln(x+1)}{\sqrt{x+4} - 2} \text{ 의 값은? [2점]}
\]

\begin{itemize}
    \item[1] 1
    \item[2] 2
    \item[3] 3
    \item[4] 4
    \item[5] 5
\end{itemize}