好吧问答库 > 正项级数收敛,其子列的级数是否收敛？最好有个证明或定理。谢谢

正项级数收敛,其子列的级数是否收敛？最好有个证明或定理。谢谢

2025年04月07日 08:53
有1个网友回答
网友（1）：

1、子列也是正项级数
2、子列级数小于母级数，也就是有界。

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