KoreanSAT / data /json /2022 /math_30_calc.txt
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30. μ‹€μˆ˜ μ „μ²΄μ˜ μ§‘ν•©μ—μ„œ μ¦κ°€ν•˜κ³  λ―ΈλΆ„κ°€λŠ₯ν•œ ν•¨μˆ˜ $f(x)$κ°€ λ‹€μŒ 쑰건을 λ§Œμ‘±μ‹œν‚¨λ‹€.
\begin{itemize}
\item[(κ°€)] $f(1) = 1$, \quad $\int_{1}^{2} f(x) \, dx = \frac{5}{4}$
\item[(λ‚˜)] ν•¨μˆ˜ $f(x)$의 μ—­ν•¨μˆ˜λ₯Ό $g(x)$라 ν•  λ•Œ, $x \geq 1$인 λͺ¨λ“  μ‹€μˆ˜ $x$에 λŒ€ν•˜μ—¬ $g(2x) = 2f(x)$이닀.
\end{itemize}
\[
\int_{1}^{8} x f'(x) \, dx = \frac{q}{p} \text{일 λ•Œ, } p+q \text{의 값을 κ΅¬ν•˜μ‹œμ˜€.}
\]
(단, $p$와 $q$λŠ” μ„œλ‘œμ†ŒμΈ μžμ—°μˆ˜μ΄λ‹€.) [4점]