摘要: 对于级数$\sum\limits_{n=1}^{+\infty}\sum\limits_{m=1}^{n}\dfrac{1}{n^{\alpha}m^{\beta}}$, 求$\alpha, \beta$使级数收敛. 给定椭圆$C: \dfrac{x^2}{a^2}+\dfrac{y^2}{b^2} 阅读全文
posted @ 2022-11-24 08:16 振翅鲲鹏 阅读(593) 评论(0) 推荐(0)