1 . 已知数列
为等比数列,
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3bb7147e313f9d9f67d19ecb5f499c05.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/259b2e755105c0ee479eabf7265a76a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2f236846ca02c90b7633fda2d1a9a82.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3bb7147e313f9d9f67d19ecb5f499c05.png)
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2 . 已知等比数列
满足
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/047dbd9ff686703cad03aa383e5fec21.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b13a6e1d671215fc96e4bee3541d1096.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e8c45e4c4ab30665338dd87a2258f23.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/047dbd9ff686703cad03aa383e5fec21.png)
您最近一年使用:0次
2024-03-21更新
|
610次组卷
|
2卷引用:广东省茂名市信宜市2023-2024学年高二上学期期末数学试题
3 . 设等比数列
的公比为
,前
项积为
,并且满足条件
,
,
,则下列结论正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1ae9a3b0b7aeb1545b65d91aa371b3c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1381f0937c6052ce088e0eaee7df4880.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40d2438ecb368bc86daac559e3870d61.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/282ad4105c31fbd712fd30c034dda311.png)
A.![]() | B.![]() | C.![]() | D.![]() ![]() |
您最近一年使用:0次
4 . 设
是公比不为1的等比数列,
,
,
,
成等差数列,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5429ccdf44d41033cddc7ae12993a37.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/762e892000e8cd7bd21057139658b278.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/478e5abb0d8b335bedffa548968eb1e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53e39cb81d78136387cefaa9b5f1e29d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7999465d0e871febde66296a0cbf058c.png)
A.![]() | B.![]() | C.16 | D.![]() |
您最近一年使用:0次
5 . 递增等比数列
中,
,
.
(1)求
;
(2)若
,求数列
的前n项的和
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04867c9d4e415575a9fd3c64ed26fdff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4fb4b599e37a825bce2a0c29f09af8d.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96abfe2da27a63e6affb19a0c80236d9.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec95cb749a2664f83e25783265fe31ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
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6 . 已知
为等比数列,且
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f04f286f63962393d359510550b055b.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/102e44c1e2a15b201bb6386f3ce7dfc1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f04f286f63962393d359510550b055b.png)
您最近一年使用:0次
2024-02-28更新
|
371次组卷
|
3卷引用:河北省邢台市2023-2024学年高二上学期1月期末数学试题
名校
解题方法
7 . 下列命题正确 的有( )
A.已知直线l过点![]() ![]() ![]() |
B.数列![]() ![]() ![]() ![]() |
C.若![]() ![]() ![]() |
D.已知函数![]() ![]() ![]() ![]() |
您最近一年使用:0次
名校
解题方法
8 . 若等比数列
的第2项和第6项分别为3和12,则
的第4项为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76aef4cdcb5af742ce28003b7b6c8c20.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76aef4cdcb5af742ce28003b7b6c8c20.png)
A.4 | B.![]() | C.6 | D.![]() |
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9 . 等比数列
满足
,类比“
”,我们记
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a397a97fb9d3715180e8f4bc71f6d81.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d13ae7b01a189972ef9dc5ac7fa40f7a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4d5946b6d845db3e5a685a25daf3f1b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6add34ccc6ad36b575fd7eb1f4e02f6b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a397a97fb9d3715180e8f4bc71f6d81.png)
您最近一年使用:0次
名校
10 . 已知正项等比数列
中,
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63d471926f7b27322d90c82b9ce21d3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf2c2ed37566cfdddae0fa80001844df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49637f6c115c0e9be7414157692fa128.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e5edade76c845f5e0e5a3aed8af3436.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2024-02-23更新
|
555次组卷
|
4卷引用:安徽省马鞍山市第二中学2023-2024学年高二上学期期末测试数学试题
安徽省马鞍山市第二中学2023-2024学年高二上学期期末测试数学试题(已下线)5.3.1 等比数列(5知识点+6题型+强化训练)-【帮课堂】2023-2024学年高二数学同步学与练(人教B版2019选择性必修第三册)广东省佛山市顺德市李兆基中学2023-2024学年高二下学期3月月考数学试题(已下线)4.3.1 等比数列的概念——课堂例题