名校
1 . 已知数列
满足:
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d6ebf5fca7fb593fee014e1fda7a2924.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b065334d8f60c49f4bd3d9f1373fe4cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dd2c9b04f5787a5198a0d403d08e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d6ebf5fca7fb593fee014e1fda7a2924.png)
您最近一年使用:0次
2019-07-09更新
|
1164次组卷
|
2卷引用:内蒙古自治区呼和浩特市第二中学2023-2024学年高二下学期4月月考数学试题
2 . 若数列
满足
,则
的最小值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb1f1027d0542522ef2be57b662c4b33.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72ea5fe1a6a4aab745741bf97f513218.png)
您最近一年使用:0次
名校
3 . 已知首项都是
的数列
满足
.
(1)令
,求数列
的通项公式;
(2)若数列
为各项均为正数的等比数列,且
,求数列
的前
项和
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3749f21ab960f83ced063bf49e0da77.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb03ba31c33b883d2a373067dfffeb9a.png)
(1)令
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25c2a5f8ec179b72b201c3c0a670612a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57ef6d44448092ebdb9e4a49d866a749.png)
(2)若数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c62d8df64856c58f5066d117083c724.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
您最近一年使用:0次
2016-12-03更新
|
1032次组卷
|
5卷引用:内蒙古鄂尔多斯市第一中学2021-2022学年高二上学期第一次月考数学(理)试题