设各项均为正数的数列
满足
(
为常数),其中
为数列
的前n项和.
(1)若
,求证:
是等差数列;
(2)若
,求数列
的通项公式.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63d471926f7b27322d90c82b9ce21d3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c77e85bb1669e90c722b55b9ea7654c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3904dc25408d55cd4aa60ae2519ec265.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63d471926f7b27322d90c82b9ce21d3d.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54ecd927e70bb28f8dee6f9c74d229c1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63d471926f7b27322d90c82b9ce21d3d.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/62d7ae51af792485ca4aed03195eaf0e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63d471926f7b27322d90c82b9ce21d3d.png)
2023·广东广州·模拟预测 查看更多[4]
(已下线)广东省广州市第二中学2023届高三综合测试(一)数学试题(已下线)专题05 数列通项与求和湖北省武汉市武昌实验中学2023-2024学年高二上学期12月月考数学试题(已下线)模块五 专题6 期末全真模拟(拔高卷2)期末终极研习室(高二人教A版)
更新时间:2023-04-05 21:24:43
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