23.
\[
\lim_{n \to \infty} \frac{\frac{5}{n} + \frac{3}{n^2}}{\frac{1}{n} - \frac{2}{n^3}} \text{의 값은? [2점]}
\]

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