📝 题目
6.1.22 (1) $\frac{1}{364};\;\left( 2\right) \frac{1}{2}\ln 2 - \frac{5}{16}$ ;
(3) $\frac{4\pi }{{a}^{2}}\left( {\frac{\sin {aR}}{a} - R\cos {aR}}\right)$ ; (4) $\frac{430}{21}\pi$ .
💡 答案与解析
6.1.22 (1) $\frac{1}{364};\;\left( 2\right) \frac{1}{2}\ln 2 - \frac{5}{16}$ ;
(3) $\frac{4\pi }{{a}^{2}}\left( {\frac{\sin {aR}}{a} - R\cos {aR}}\right)$ ; (4) $\frac{430}{21}\pi$ .