在等比数列
中,已知
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b407e6239843a91ccbf713fde82c57a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c7a8a8859b2e61760c37f710239a30d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ebce85ea9bc18815ef8887057030a63.png)
A.![]() | B.42 | C.![]() | D.![]() |
23-24高三上·辽宁·阶段练习 查看更多[3]
更新时间:2023-12-16 17:47:33
|
【知识点】 等比数列通项公式的基本量计算
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单选题
|
较易
(0.85)
【推荐1】设
是首项为正数的等比数列,公比为q,则“
”是“对任意的止整数
,
”的( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c89ec420672eedaca575b7d28926a69d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3be650d85db63d9fc9830931a9d781b.png)
A.充要条件 | B.充分不必要条件 |
C.必要不充分条件 | D.既不充分也不必要条件 |
您最近一年使用:0次
单选题
|
较易
(0.85)
名校
【推荐2】如图,正六边形
的边长为2,取正六边形
各边的中点
,
,
,
,
,
,作第二个正六边形
;然后再取正六边形
各边的中点
,
,
,
,
,
,作第三个正六边形
;依此方法一直继续下去……,则第2022个正六边形的面积为( )
![](https://img.xkw.com/dksih/QBM/2022/1/25/2902237644988416/2916951566426112/STEM/6416c367-36b4-4977-b2d1-1aad9295e752.png?resizew=191)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6f1cd65c246e928ee9f3c79710648fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6f1cd65c246e928ee9f3c79710648fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd3b9e816b14051f785aa5aae72b8eed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43a71fc9c0068109dad1382354570665.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c296e45b84cf67a98939aa7334e7d478.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b4f150ab98bde511e0f65d9bafab031.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/195a7dca9e2f7e7f29b46b22b17d7772.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1368eed2e47098b811e175de082f6352.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1368eed2e47098b811e175de082f6352.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76f1eb87ce12491e171c43b238a6ecf7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/435f7ea2f259572ff803b6beacbf117f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f1daf351485f3d6dee6bd4b16a65166.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a5feaa7117599cb91937785776e3659.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57a2f80c0d34596ed1f90a23ba69fdcd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aaf661a5a2960d2c836f8adeb4b139ea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5a79f935c0506b95fb5f4b7758c851e.png)
![](https://img.xkw.com/dksih/QBM/2022/1/25/2902237644988416/2916951566426112/STEM/6416c367-36b4-4977-b2d1-1aad9295e752.png?resizew=191)
A.![]() | B.![]() |
C.![]() | D.![]() |
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