等比数列{an}的公比为q,则q>1是“对于任意n∈N+”都有an+1>an的_____

等比数列{an}的公比为q,则q1是“对于任意nN+”都有an+1an_______条件。

A、必要不充分条件         B、充分不必要条件

C、充要条件                  D、既不充分也不必要条件

答案

D

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