名校
解题方法
1 . 已知等比数列
的各项都为正数,当
时,
,设
,数列
的前
项和为
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0704f453b2de48d36911f7db496bbf82.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff1cf8dac9f013e27a5e856550b041ae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c0f6000421c5370e4b89f23be199f388.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd8e1e5f527ae7607021f18b070ec967.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/0d238a52feae87b0778ba324dc144d50.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2020-07-25更新
|
747次组卷
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10卷引用:河南省豫西名校2020-2021学年高二10月联考数学试题
河南省豫西名校2020-2021学年高二10月联考数学试题河南省洛阳市豫西名校2020-2021学年第一次联考高二数学试题河南省豫西名校2022-2023学年高二上学期第一次联考数学试题2020年普通高校招生全国统一考试猜题密卷A卷理科数学试题(已下线)考点23 等比数列及其前n项和-备战2021年高考数学(理)一轮复习考点一遍过(已下线)考点22 等比数列及其前n项和-备战2021年高考数学(文)一轮复习考点一遍过(已下线)考点21 数列求和问题-2021年新高考数学一轮复习考点扫描(已下线)专题28 数列求和的类型和方法-备战2022年高考数学一轮复习一网打尽之重点难点突破(已下线)专题17 盘点数列与其它知识交汇问题——备战2022年高考数学二轮复习常考点专题突破1.3.2 等比数列与指数函数(同步练习提高版)
2 . 在等比数列
中,
,
.记![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b0979bfa932e0377ebddbc19668ce1e.png)
,则数列
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b587eacae7fb7e5632652851ae016368.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b2d882b1b57f1f4a5a5c1a409f89034.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b0979bfa932e0377ebddbc19668ce1e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/50ecdee5c1b0c0f080586f4cd50ab0b4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de777c4e44546bcfe26ad5b6bb418052.png)
A.有最大项,有最小项 | B.有最大项,无最小项 |
C.无最大项,有最小项 | D.无最大项,无最小项 |
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2021-10-25更新
|
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3卷引用:河南省郑州市郊县2020-2021学年高二上学期期中考试数学(理)试题
名校
3 . 已知等比数列
满足
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af9bbe98100c8067ff36ac536d043a85.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3bf75e900509aa73771677aeb81cb14.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad4ceac018e5e58cbc85dd40da17c03d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af9bbe98100c8067ff36ac536d043a85.png)
A.![]() | B.![]() | C.1 | D.2 |
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2019-01-31更新
|
834次组卷
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2卷引用:河南省周口恒大中学2022-2023学年高二下学期2月月考数学试题
4 . 已知数列
满足
,则
的前
项和为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/62e567d7e9761951a266953c8d5042ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d2779b7b26a8d2929b2a40c034708f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
名校
5 . 已知等比数列
的前
项和为
,若
,
,则数列
的公比
( )
![](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/757649f59fe52e49e4ee8fcd57b5a7a7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69de7f4a639606d9aa0d3fc6a3d1f7fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad0d99fef1aa4dbcc6dc7b30b7d2c9a9.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2020-12-07更新
|
579次组卷
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6卷引用:河南省新乡市2020-2021学年高二上学期期中理科数学试题
名校
解题方法
6 . 在数列
中,
,数列
是以3为公比的等比数列,则
等于( )
![](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/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9e4282bab84954ebb2fb8942fe05ba6.png)
A.2021 | B.2020 | C.2019 | D.2018 |
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2021-10-11更新
|
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|
2卷引用:河南省新蔡县第一高级中学2021-2022学年高二上学期10月半月考数学(文科)试题
解题方法
7 . 已知数列
满足
,
,
,设
,有下列四个结论
①
;
②
是等比数列;
③
是等差数列;
④
的通项公式为
.
其中所有结论的序号为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26f10fc9e672c15eba65a4a4c4ac8cd2.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/e680f28daa101a42903ef44cf6e6894a.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a1fbf7d5bf24fd41fb36499572f7115.png)
②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
③
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
④
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b933d363f5b85a6b4110c9ef030c56a.png)
其中所有结论的序号为( )
A.①②③ | B.② | C.②④ | D.②③④ |
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名校
8 . 设
为数列
的前
项和,若
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/047dbd9ff686703cad03aa383e5fec21.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](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/a769f008624ab6833aaf72305d51e5d8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29d5ec9ad92f37e64eccce922ab1b14e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/047dbd9ff686703cad03aa383e5fec21.png)
A.2 | B.-2 | C.1 | D.-1 |
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2019-01-31更新
|
904次组卷
|
3卷引用:【市级联考】河南省驻马店市2019届高三上学期期末考试数学(文)试题
名校
解题方法
9 . 已知数列
的前
项和为
,其中
,
,
,
成等差数列,且
(
,
),则
( )
![](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/b065334d8f60c49f4bd3d9f1373fe4cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e72adb45c60c2f63b46e65ff787302bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05b2667a6c91b720ca9b42d092c776cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0c19d349adb8d632ee1649b142efbe3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f45f70221a782e9a1deed2a6f765954b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cea4ac187cbb465180e89f38250b3970.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c87f4c40e50504adaface510404dbfd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3f7fda69e2b32b9ced2239f915fa59b.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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|
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3卷引用:河南省开封市河南大学附属中学2020-2021学年高二9月质检数学试题
解题方法
10 . 已知等比数列
的前
项和为
,公比
,
,
.若数列
的前
项和为
,
,则
( )
![](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/f71acdb04454c77e1e25ad4f336cccfe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b065334d8f60c49f4bd3d9f1373fe4cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9990d2b1f1099520a70eb90bc2446510.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.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/2be8d99529ab0e63778e19e98bcb9856.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f0d5f35d87b1dda04a077b830f53326.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2021-02-04更新
|
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5卷引用:河南省天一大联考2020-2021学年高二上学期期末考试文科数学试题
河南省天一大联考2020-2021学年高二上学期期末考试文科数学试题安徽省亳州市2020-2021学年高二上学期期末文科数学试题(已下线)期末测试卷02-2020-2021学年高二数学下学期期末专项复习(北师大版2019选择性必修第一册、第二册)人教B版(2019) 选修第三册 必杀技 第五章 5.3.2 课时2 等比数列的前n项和(2)2023版 湘教版(2019) 选修第一册 过关斩将 第1章 1.3.3 等比数列的前n项的和