设数列
的前
项和分别为
,
,且
,则下列结论正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6dcba920904a03e3f950e962cc8c7ad.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/478421b81927e435cbcf5acafa89efd7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5fb41bfc52947993b176962287aa9de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d7f8006ec87ad42ab230869dfcbf3df.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
20-21高二上·湖北·期末 查看更多[3]
湖北省2020-2021学年高二上学期元月期末数学试题(已下线)突破4.6 重难点之求数列的前n项和课时训练-【新教材优创】突破满分数学之2020-2021学年高二数学课时训练(人教A版2019选择性必修第二册) (已下线)综合复习与测试培优练习(卷二)-【提升专练】2021-2022学年高二数学新教材同步学案+课时对点练(苏教版2019选择性必修第一册)
更新时间:2021-02-04 10:15:23
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