名校
1 . 已知各项均为正数的两个无穷数列
和
满足:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/619febee19b4af3a3e8dad847044504b.png)
,且
是等比数列,给定以下四个结论:①数列
的所有项都不大于
;②数列
的所有项都大于
;③数列
的公比等于
;④数列
一定是等比数列.其中正确结论的序号是____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63d471926f7b27322d90c82b9ce21d3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5fce83115a50f99e08e9a2db7267aeed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/619febee19b4af3a3e8dad847044504b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0f651d11f82e2b024e79e52b8f1c7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63d471926f7b27322d90c82b9ce21d3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63d471926f7b27322d90c82b9ce21d3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf298f00799cbf34b4db26f5f63af92f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5fce83115a50f99e08e9a2db7267aeed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf298f00799cbf34b4db26f5f63af92f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63d471926f7b27322d90c82b9ce21d3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5fce83115a50f99e08e9a2db7267aeed.png)
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2018-12-19更新
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3卷引用:【校级联考】湖北省黄冈、华师附中等八校2019届高三上学期第一次联考数学(理)试题
【校级联考】湖北省黄冈、华师附中等八校2019届高三上学期第一次联考数学(理)试题【校级联考】湖北省黄冈中学等八校2019届高三第一次(12月)联考数学理试题(已下线)2.2.2 间接证明-2020-2021学年高二数学(理)课时同步练(人教A版选修2-2)