1 . 已知等比数列
的公比为q,且
,
,则q的取值范围为______ ;能使不等式
成立的最大正整数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1381f0937c6052ce088e0eaee7df4880.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33f7f603080feda2665bc02f43acb391.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e894a7f3b0bdb3d0947bc86ba08211c1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
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2020-08-31更新
|
1122次组卷
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8卷引用:重庆市第一中学2020届高三下学期适应性考试数学(理)试题
重庆市第一中学2020届高三下学期适应性考试数学(理)试题(已下线)专题2.2等比数列及其求和(B卷提升篇)-2020-2021学年高二数学必修五同步单元AB卷(人教A版,浙江专用)重庆市第一中学校2021届高三上学期第三次月考数学试题内蒙古阿拉善盟2023届高三第一次模拟考试数学(理)试题(已下线)2021届高三高考数学适应性测试八省联考考后仿真系列卷七(已下线)“8+4+4”小题强化训练(30)等比数列及其前n项和-2022届高考数学一轮复习(江苏等新高考地区专用)(已下线)一轮巩固卷02-【赢在高考·黄金20卷】备战2022年高考数学模拟卷(新高考专用)(已下线)专题7 等比数列的性质 微点1 等比数列项的性质
2 . 已知函数
,数列
是公比大于0的等比数列,且
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7999465d0e871febde66296a0cbf058c.png)
_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2d53e84446ab2d482dd8cdfeb27b402.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63d471926f7b27322d90c82b9ce21d3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25131d323ad4304473cbd09ac0c1bb02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a65ccd88086eada17e6b169312569e4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7999465d0e871febde66296a0cbf058c.png)
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2019-06-26更新
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441次组卷
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3卷引用:2019年上海市南洋模范中学三模数学试题
3 . 若正项递增等比数列
满足
,则
的最小值为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63d471926f7b27322d90c82b9ce21d3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/251a266d66a01396343999833d3670cc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f0ad75317ba7866a4312bdcdf1c4f7e.png)
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4 . 已知
是各项都为正数的等比数列,则前
项和为
,且
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fbfc875ca919921e8f63a6fca648561b.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/2570cec8ebbc4ebf384873ae7d7c0e00.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fbfc875ca919921e8f63a6fca648561b.png)
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2017-09-19更新
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926次组卷
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4卷引用:广东省广州市海珠区2018届高三综合测试(一)数学理试题