KoreanSAT / data /json /2025 /math_3.txt
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3. ์ฒซ์งธํ•ญ๊ณผ ๊ณต๋น„๊ฐ€ ๋ชจ๋‘ ์–‘์ˆ˜ \(k\)์ธ ๋“ฑ๋น„์ˆ˜์—ด \(\{a_n\}\)์ด
\[
\frac{a_4}{a_2} + \frac{a_2}{a_1} = 30
\]
์„ ๋งŒ์กฑ์‹œํ‚ฌ ๋•Œ, \(k\)์˜ ๊ฐ’์€? [3์ ]
\begin{itemize}
\item[1] \(1\)
\item[2] \(2\)
\item[3] \(3\)
\item[4] \(4\)
\item[5] \(5\)
\end{itemize}