已知等差数列
的前
项和为
,且
,若
,数列
的前
项积为
,则使
的最大整数
为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
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23-24高二上·浙江宁波·开学考试 查看更多[4]
浙江省宁波市北仑中学2023-2024学年高二上学期期初考试数学试题河北省邢台市信都区邢台市第一中学2024届高三上学期10月月考数学试题(已下线)专题34 等比数列及其前n项和6种常见考法归类- 【考点通关】2023-2024学年高二数学高频考点与解题策略(人教A版2019选择性必修第二册)(已下线)微专题1 数列综合应用-2023-2024学年高二数学《重难点题型·高分突破》(苏教版2019选择性必修第一册)
更新时间:2023-09-07 16:33:26
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【推荐1】在等比数列
中,若
,且公比
,则数列
的前100项和为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c3e75479f54d726501a3d8909493cee.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
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【推荐2】如图,正方形
的边长为
,取
正方形各边中点
,作第2个正方形
,然后再取正方形
各边的中点
,作第3个正方形
,依此方法一直继续下去.则从正方形
开始,连续10个正方形的面积之和是___________
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9938aea41f03701b233dee15809f2126.png)
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解题方法
【推荐1】如果数列
满足不等式
(其中
),我们就称这个数列为“
数列”,对于以下关于“
数列”的四个结论:①等差数列均为“
数列”;②“
数列”一定是递增数列;③“
数列”通项公式可以是
;④“
数列”中对于任意
,都满足
.所有正确结论的序号是__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/229a0e453d4c92aaf2c8f77cfbd94314.png)
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【推荐2】数列
的首项为
,数列
为等比数列且
,若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dcf99615e41020525098939707a40f5f.png)
__________________ .
![](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/034ba25825c13725931c483aa47c9363.png)
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【推荐1】记号
表示不大于
的最大整数,数列
的通项
,
为
的前
项和,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13e369a5a051586ba5d63343c2d61cfd.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c4f5908d6a1217e493ed7586b6964dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
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解题方法
【推荐2】我们把
叫“费马数”(费马是十七世纪法国数学家).设
,
表示数列
的前
项之和,则使不等式
成立的最小正整数
的值是______
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7cccfe34c4645cd1c37fa73167050eaf.png)
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