下列各级数中发散的是:

作者: rantiku 人气: - 评论: 0
问题 下列各级数中发散的是:
选项
答案 A
解析 解 利用交错级数收敛法可判定选项B的级数收敛,利用正项级数比值法可判定选项C 的级数收敛,利用等比级数收敛性的结论知选项级数D的级数收敛,故发散的是选项A的级数。或直接通过正项级数比较法的极限形式判定,
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