若级数发散,则的敛散性为( )。A. 一定发散 B.可能收敛,也可能发散 C. a>0时收敛,a1时发散

作者: tihaiku 人气: - 评论: 0
问题 若级数发散,则的敛散性为( )。
选项 A. 一定发散 B.可能收敛,也可能发散 C. a>0时收敛,a1时发散
答案 A
解析 提示:有相同的敛散性。

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