已知数列
是公比不等于
的等比数列,若数列
,
,
的前2023项的和分别为
,
,9,则实数
的值( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63d471926f7b27322d90c82b9ce21d3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e0262791cc14598c6fc5ed0937d0124.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63d471926f7b27322d90c82b9ce21d3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b2e1bb8879fee8024c9b12ac24350fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c2de0ae9c7c11f970ac94f23792b68e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4152dcaf630335486800a35beea646ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
A.只有1个 | B.只有2个 | C.无法确定有几个 | D.不存在 |
22-23高三上·广东广州·期中 查看更多[2]
更新时间:2022-12-15 20:17:49
|
相似题推荐
单选题
|
较易
(0.85)
名校
解题方法
【推荐1】已知数列
中,对任意
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48f093c61867ee4ce75f951d46b9b123.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad81b6510a1c475e5093d8a225192095.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a55f1d44eed5dafa213a63dd805c2a.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
【推荐2】已知数列
中,
,则
等于( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b28ef6f1b2279af482557a8ea46f2e43.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ec7af80ec408a7b1ba91cf69cc6aeca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96abfe2da27a63e6affb19a0c80236d9.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
单选题
|
较易
(0.85)
名校
【推荐1】记
为等比数列
的前n项和,已知
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abc708f74be69889b8db8e979fab4e32.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/614306cc3f34bdee4d5d885b79667645.png)
A.30 | B.31 | C.61 | D.62 |
您最近一年使用:0次
【推荐2】设数列
的前n项和为
,且
,则
( )
![](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/69f1643025e67d9402065a9ae3bb0f5e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32c88abd936125401c8d7e3bc21f4396.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次