已知等比数列
的前n项和为
,若
,则公比q为( )
![](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/48386e712c13015795b5be174ec6187f.png)
A.2 | B.3 | C.![]() | D.![]() |
更新时间:2024-05-06 23:02:32
|
相似题推荐
单选题
|
较易
(0.85)
名校
【推荐1】设正项等比数列
的前
项和为
,若
,则公比
( )
![](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)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/107772f239412b872905d086e1e19017.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad0d99fef1aa4dbcc6dc7b30b7d2c9a9.png)
A.1 | B.2 | C.3 | D.4 |
您最近一年使用:0次
单选题
|
较易
(0.85)
名校
【推荐2】已知等比数列
的前
项和为
,若
,
,则
的值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63d471926f7b27322d90c82b9ce21d3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef7146e23c331b74ed9c9bb76b2e9364.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/097899de76881cab57ae4f6409662061.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a48e81b54f78b96294295542b010dfb.png)
A.31 | B.32 | C.63 | D.64 |
您最近一年使用:0次
单选题
|
较易
(0.85)
名校
【推荐1】已知等比数列
中,
=1,
=2,则
等于.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d737c1047a14cee12a6671383e244fa5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f9d2e152db0845ff23e4ea0cd00974d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4a13bd477c3e49fee39ee687d6323cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07cbd84c684b89714de542e4f19f9edc.png)
A.2 | B.2![]() | C.4 | D.4![]() |
您最近一年使用:0次
单选题
|
较易
(0.85)
名校
【推荐2】已知等比数列{an}的前n项和为Sn,若S3=4,S6=36,则公比q=( )
A.2 | B.±2 | C.4 | D.![]() |
您最近一年使用:0次