File size: 951 Bytes
c97da9e
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
28. ์ค‘์‹ฌ์ด \(\mathrm{O}\)์ด๊ณ  ๊ธธ์ด๊ฐ€ 2์ธ ์„ ๋ถ„ \(\mathrm{AB}\)๋ฅผ ์ง€๋ฆ„์œผ๋กœ ํ•˜๋Š” ๋ฐ˜์› ์œ„์— \(\angle \mathrm{AOC} = \frac{\pi}{2}\)์ธ ์  \(\mathrm{C}\)๊ฐ€ ์žˆ๋‹ค.
ํ˜ธ \(\mathrm{BC}\) ์œ„์— ์  \(\mathrm{P}\)์™€ ํ˜ธ \(\mathrm{CA}\) ์œ„์— ์  \(\mathrm{Q}\)๋ฅผ \(\overline{\mathrm{PB}} = \overline{\mathrm{QC}}\)๊ฐ€ ๋˜๋„๋ก ์žก๊ณ , ์„ ๋ถ„ \(\mathrm{AP}\) ์œ„์— ์  \(\mathrm{R}\)๋ฅผ \(\angle \mathrm{CQR} = \frac{\pi}{2}\)๊ฐ€ ๋˜๋„๋ก ์žก๋Š”๋‹ค.
์„ ๋ถ„ \(\mathrm{AP}\)์™€ ์„ ๋ถ„ \(\mathrm{CO}\)์˜ ๊ต์ ์„ \(\mathrm{S}\)๋ผ ํ•˜์ž. \(\angle \mathrm{PAB} = \theta\)์ผ ๋•Œ, ์‚ผ๊ฐํ˜• \(\mathrm{POB}\)์˜ ๋„“์ด๋ฅผ \(f(\theta)\), ์‚ฌ๊ฐํ˜• \(\mathrm{CQRS}\)์˜ ๋„“์ด๋ฅผ \(g(\theta)\)๋ผ ํ•˜์ž.

\[
\lim_{\theta \to 0+} \frac{3f(\theta) - 2g(\theta)}{\theta^2}
\]
์˜ ๊ฐ’์€? (๋‹จ, \(0 < \theta < \frac{\pi}{4}\)) [4์ ]

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