已知数列
的前n项和为
,且对任意正整数n都有
,则下列关于
的论断中正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/520baed44c40868cdf4205da1e5a7eca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
A.一定是等差数列 | B.一定是等比数列 |
C.可能是等差数列,但不会是等比数列 | D.可能是等比数列,但不会是等差数列 |
23-24高二上·上海虹口·阶段练习 查看更多[2]
更新时间:2023-11-15 14:56:56
|
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