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24. ๋งค๊ฐœ๋ณ€์ˆ˜ \( t(t > 0) \)๋กœ ๋‚˜ํƒ€๋‚ด์–ด์ง„ ๊ณก์„ 

\[
x = \ln(t^3 + 1), \quad y = \sin \pi t
\]

์—์„œ \( t = 1 \)์ผ ๋•Œ, \( \frac{dy}{dx} \)์˜ ๊ฐ’์€? [3์ ]

\begin{itemize}
    \item[1] $-\frac{1}{3}\pi$
    \item[2] $-\frac{2}{3}\pi$
    \item[3] $-\pi$
    \item[4] $-\frac{4}{3}\pi$
    \item[5] $-\frac{5}{3}\pi$
\end{itemize}