In this paper, we discuss the criterion of convergence about series of positive term and find a mistake in a famous textbook, we obtain a respouse theorem.
In this paper, we discuss the criterion of convergence about series of positive term and find a mistake in a famous textbook, we obtain a respouse theorem.
摘要讨论了正项级数的判敛法，纠正了某数学分析教材用拉贝判别法解题的一处错误，并给出了一个不存在收敛最慢的正项级数的命题。