答案彙整
1. \( 45 \)
2. \( \sqrt{5} \)
3. \( 3961 \)
4. \( 5 \)
5. \( \frac{8-\sqrt{3}}{10} \)
6. \( \frac{52}{3}\pi \)
7. \( \frac{a+b+c}{2} \)
8. \( \left ( \frac{2}{\sqrt{3}}\left ({log_{2}}^{3}-1 \right ),-\frac{3}{2}{log_{2}}^{3}+2 \right ) \)
9. \( \left\{\begin{matrix}
s_{1}=\frac{1}{4}sin4\theta \\
s_{2}=sin2\theta
\end{matrix}\right. \)
10. \( a< 0 \)
11. \( \left\{\begin{matrix}
x=3+2t\quad\qquad\\
y=4+3t\quad t\in \mathbb{R}\\
z=7+4t\quad\qquad
\end{matrix}\right. \)
12. \( 364 \)
13. \( 8003 \)
14. \( P_{n+1}=-\frac{1}{7}P_{n}+\frac{2}{7} \)
15. \( 19\frac{13}{25} \)
16. \( -61 \)
17. \( 2 \)
18. \( 6ab+\frac{3\sqrt{3}}{2}\left (a^{2}+b^{2} \right ) \)
如有錯誤請告知
