KoreanSAT / data /json /2025 /math_25_geom.txt
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25. μ’Œν‘œκ³΅κ°„μ˜ 두 점 \( \mathrm{A}(a, b, 6) \), \( \mathrm{B}(-4, -2, c) \)에 λŒ€ν•˜μ—¬
μ„ λΆ„ \( \mathrm{AB} \)λ₯Ό \( 3:2 \)둜 λ‚΄λΆ„ν•˜λŠ” 점이 \( z \)μΆ• μœ„μ— 있고,
μ„ λΆ„ \( \mathrm{AB} \)λ₯Ό \( 3:2 \)둜 μ™ΈλΆ„ν•˜λŠ” 점이 \( xy \)평면 μœ„μ— μžˆμ„ λ•Œ,
\( a + b + c \)의 값은? [3점]
\begin{itemize}
\item[1] 11
\item[2] 12
\item[3] 13
\item[4] 14
\item[5] 15
\end{itemize}