等比数列中,若
,则
( )
A.2 | B.3 | C.4 | D.9 |
22-23高二上·甘肃天水·期末 查看更多[2]
甘肃省天水市第一中学2022-2023学年高二上学期期末数学理科试题(已下线)4.3.1 等比数列的概念(8大题型)精讲-2023-2024学年高二数学题型分类归纳讲与练(人教A版2019选择性必修第二册)
更新时间:2023-03-01 08:57:50
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【推荐1】在等比数列
中,
,则
的值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3859890e300f470dcf4a215249da07e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d81a4a49eabb6893a5af8a14e71b8bae.png)
A.4 | B.8 | C.36 | D.32 |
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【推荐2】已知各项不为0的等差数列
满足
,数列
是等比数列且
,则
等于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e66d5fbe70625fda45ac4555aa569644.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae533c0c6c099a4fc5d09311f81c4347.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b97be3260746c026743065f6647c792.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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