名校
1 . 由正数组成的等比数列
中,若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2fd5e95f2b43bebc34535683520d7019.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ca39336552c21abdc99a41cf122c3b3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2fd5e95f2b43bebc34535683520d7019.png)
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2022-11-16更新
|
830次组卷
|
5卷引用:4.3 等比数列(1)
(已下线)4.3 等比数列(1)甘肃省白银市会宁县会宁县第四中学2022-2023学年高二上学期期中数学试题四川省成都市锦江区嘉祥外国语高级中学2022-2023学年高三上学期一诊模拟考试文科数学试题(已下线)专题10 等比数列小题专项训练重庆市为明学校2022-2023学年高二上学期期末数学试题
2 . 在等比数列
中,
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d211c5a622d0be3b39931d814f9a683.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb334e165679c6cb500c994cffa47147.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea6c2e49c873187b12e90a7b4d5d906b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d211c5a622d0be3b39931d814f9a683.png)
您最近一年使用:0次
2022-11-16更新
|
306次组卷
|
6卷引用:4.3 等比数列(4)
名校
3 . 在正项等比数列
中,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46d1e7a3bf0a13863a91629bfc03181a.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05a982f91365ae698a6c43d85fc88ef0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46d1e7a3bf0a13863a91629bfc03181a.png)
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2022-11-11更新
|
474次组卷
|
4卷引用:4.3 等比数列(2)
解题方法
4 . 在数列
中,
,
,且
,则数列
的通项公式是__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b065334d8f60c49f4bd3d9f1373fe4cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c9b6e51986fe5d7a7265e0e93adcb4d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb2fc5a3698a0b3d97d4de5404882129.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
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5 . 已知
是等比数列,若1是
,
的等比中项,4是
,
的等比中项,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d868ad8750eefd545a4344594dd982d5.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e88093a749c0d46e0ee931ecfaff925.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/daf464629fa321a6ff7401ab79f07083.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5da4cd81500bdb43118150dbdb1541e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7da2f386b78cdf6489efaa2f5820d3e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d868ad8750eefd545a4344594dd982d5.png)
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名校
6 . 记
为正项等比数列
的前
项和,若
,
,则
的值为__________ .
![](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/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/964df3e9308711d7e14fb624b0c25e2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/039e4fe671d61e59b96ee525c9df43e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9769c00663e790993edcb9716c1c77f1.png)
您最近一年使用:0次
2022-11-02更新
|
681次组卷
|
10卷引用:4.3 等比数列(2)
(已下线)4.3 等比数列(2)四川省南充高级中学2021-2022学年高三上学期月考四数学(文)试题四川省南充高级中学2021-2022学年高三上学期月考四数学(理)试题湖北省武汉情智学校2021-2022学年高二下学期3月质量检测数学试题四川省南充高级中学2022-2023学年高三上学期第二次模拟考试数学理科试题四川省南充高级中学2022-2023学年高三上学期第二次模拟考试数学文科试题四川省成都市简阳市阳安中学2022-2023学年高三上学期10月月考数学(文科)试题四川省成都市简阳市阳安中学2022-2023学年高三上学期10月月考数学(理科)试题(已下线)专题17 数列(讲义)-1吉林省长春市第二中学2022-2023学年高二上学期11月月考数学试题
名校
7 . 设等比数列
的前
项和为
,若
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be87316ad507368b910a27ab0122b7f0.png)
_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b28ef6f1b2279af482557a8ea46f2e43.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a425978da20cebf8c4c63953579e7b35.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc6448ef67fa7af01f5eff27a148c554.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c3ca73288dc27f4aa40ef3d372d51dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be87316ad507368b910a27ab0122b7f0.png)
您最近一年使用:0次
2022-10-19更新
|
723次组卷
|
4卷引用:4.3 等比数列(3)
(已下线)4.3 等比数列(3)甘肃省庆阳第六中学2022-2023学年高二上学期第一次月考数学试题(已下线)第四章 数列章末重点题型归纳(3)宁夏中卫市中宁县第一中学2022-2023学年高二上学期10月月考数学试题
8 . 方程
两根的等比中项是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77d8250bc66dfb2de8534739edfcdab6.png)
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9 . 如果将20,50,100各加上同一个常数能组成一个等比数列,那么这个数列的公比为______ .
您最近一年使用:0次
解题方法
10 . 设等比数列
的前
项和为
,若公比
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae9ad4e59d7081cf19021423a984bc29.png)
______ .
![](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/26d9b6c86435e0ceff94d8ad1cd03737.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86c7cef22e6e75c4989057b36bdc83ef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae9ad4e59d7081cf19021423a984bc29.png)
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