1 . 在等比数列
中,
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a944cf5b9342ac78a5c51bd7f6fb120c.png)
_____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca4e60e3d18fa862ae6638435f5a1b71.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/600ff1d492ba73a8a2b1aa2aab559173.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a944cf5b9342ac78a5c51bd7f6fb120c.png)
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2 . 已知数列
是递增的等比数列,
,
,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/608a2c5fc1a649dcf3406dedc6b405b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79e88e84edbeb229e06787829c6bcb58.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3bb7147e313f9d9f67d19ecb5f499c05.png)
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2019-08-02更新
|
600次组卷
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2卷引用:湖南省五市十校2018-2019学年高二下学期期末联考数学(文)试题1
名校
3 . 等比数列
的各项均为正数,且
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae6edb88d89a919650769fd5af24853a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63d471926f7b27322d90c82b9ce21d3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1500a62239d06cb0d104df38e0a27ac5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae6edb88d89a919650769fd5af24853a.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2019-07-09更新
|
2600次组卷
|
4卷引用:四川省攀枝花市2018-2019学年高一下学期期末数学试题
4 . 设数列
为等差数列,数列
为等比数列.若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0cf126d483440998e1ecbf295035331d.png)
_______ ;若
,且
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd3303ca30cad99a7af1e600a6f1afac.png)
_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a44bfa0656813f401f10708bd02fdefd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0cf126d483440998e1ecbf295035331d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af0dd3fb6af23def773e1b0032a4f3c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f949e6f2e6a7eee48b52a9ba1d5dd883.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd3303ca30cad99a7af1e600a6f1afac.png)
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2019-07-09更新
|
669次组卷
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3卷引用:浙江省杭州市2018-2019学年高一第二学期期末数学试题
名校
5 . 若等比数列
的各项均为正数,
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63d471926f7b27322d90c82b9ce21d3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2693734765399876e9e93cdb110231c4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db3305b948b9d5ad71793ce2d4ff6dce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/047dbd9ff686703cad03aa383e5fec21.png)
A.![]() | B.![]() | C.12 | D.24 |
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2019-06-07更新
|
3670次组卷
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14卷引用:【市级联考】广东省韶关市2019届高考模拟测试(4月)数学文试题
【市级联考】广东省韶关市2019届高考模拟测试(4月)数学文试题广西壮族自治区南宁市2018-2019学年高二下学期期末数学试题广西南宁市2018-2019学年高二下学期“4+ N”高中联合体期末数学(理)试题专题6.3 等比数列及其前n项和(练)【文】—《2020年高考一轮复习讲练测》安徽省亳州市涡阳县第一中学2019-2020学年高二12月月考数学(文)试题(已下线)专题6.3 等比数列及其前n项和(练)-江苏版《2020年高考一轮复习讲练测》天津市静海区独流中学四校联考2019-2020学年高二10月数学试题河北省石家庄市元氏县第四中学2019-2020学年高一下学期摸底数学试题湖北省恩施州巴东县第一高级中学2019-2020学年高一上学期第四次月考数学试题江西省兴国县第三中学2020-2021学年高一下学期期中考试数学试题(已下线)考点41 等比数列-备战2022年高考数学一轮复习考点帮(新高考地区专用)【学科网名师堂】2020届宁夏银川唐徕回民中学高三下学期第一次模拟考试数学(理)试题人教B版(2019) 选修第三册 一举夺魁 第五章 5.3.1 等比数列(已下线)第41讲 等比数列
名校
6 . 在各项均为正数的等比数列
中
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0e29d972ba27bf676989a5abfb51a40.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ecef096c9814ef5054af0d5fa39222e.png)
A.有最小值12 | B.有最大值12 | C.有最大值9 | D.有最小值9 |
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2019-06-04更新
|
902次组卷
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3卷引用:江西省南昌市第十中学2018-2019学年高一下学期第二次月考数学(理)试题
名校
7 . 在等比数列
中,
、
是关于
的方程
的两个实根,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f371134251353581b026fd4bf8f8a28.png)
____________________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/daf464629fa321a6ff7401ab79f07083.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7da2f386b78cdf6489efaa2f5820d3e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/701e0f021c478c90673d4047ca188aac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f371134251353581b026fd4bf8f8a28.png)
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2019-05-18更新
|
794次组卷
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3卷引用:【全国百强校】黑龙江省大庆市大庆实验中学2018-2019学年高一下学期期中考试数学(理)试题
8 . 设各项均为正数的等比数列
中,若
,则数列
的前
项和等于_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d0b9b6d7930833ba8b1f1cb050ee706.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4711944aa361bd9f2ed566b24c6888ec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8d02ea8c4988c5c28ab93f0d70fb55a.png)
您最近一年使用:0次
名校
9 . 已知等比数列
满足
,
则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0acdf8c5ae665ec839f8b690e78aa8d4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a6a67a1903c91719cc4805bc99df3fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/28500cdfda7f9668bd02cbbe5cecd857.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0acdf8c5ae665ec839f8b690e78aa8d4.png)
A.5 | B.-5 | C.7 | D.-7 |
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2019-04-29更新
|
885次组卷
|
4卷引用:【全国百强校】山西省朔州市怀仁县第一中学、应县第一中学2017-2018学年高一下学期期末考试数学(文)试题
10 . 已知正项等比数列
的前
项和为
,且
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/614306cc3f34bdee4d5d885b79667645.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/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d4bba67f9bebc2eeae8d4580bab161e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fa69dde104dcf963e67647e801e0149.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/614306cc3f34bdee4d5d885b79667645.png)
A.![]() | B.![]() |
C.31 | D.32 |
您最近一年使用:0次