名校
1 . 已知等差数列
的前n项和
满足
,那么以下4个结论中正确的有_______ .(填所有正确结论的序号
(1)公差
(2)不等式
的最小正整数解为13
(3)
(4)满足
的n的个数为11个
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f0fb2f484d3d73b26acc02ffdc56a3d.png)
(1)公差
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2d8bbb4a09e0ac86bbae46222a90841.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/937228faf3b035ce9fb607ec96f707f0.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c379f2d65ae4cf501c256ccfbb25bbbd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49763402b2f2023f0ba64c37924267d3.png)
您最近一年使用:0次
名校
2 . 已知等差数列
的前
项和
有最小值,且
,则使
成立的正整数
的最小值为( )
![](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/57ded9f430fb65b10bf05392b3df32d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49763402b2f2023f0ba64c37924267d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
A.2022 | B.2023 | C.4043 | D.4044 |
您最近一年使用:0次
2023-10-03更新
|
694次组卷
|
9卷引用:4.2 等差数列(5)
(已下线)4.2 等差数列(5)(已下线)第4章 数列 章末题型归纳总结(2)(已下线)专题4.2 等差数列(5个考点八大题型)(2)(已下线)4.1 等差数列(第2课时)(十三大题型)(分层练习)-2023-2024学年高二数学同步精品课堂(沪教版2020选择性必修第一册)(已下线)专题03 等差数列(二十三大题型+过关检测专训)(3)浙江省武义第一中学2023-2024学年高二上学期1月检测数学试题福建省宁德市福鼎市第一中学2023-2024学年高二上学期10月月考数学试题山东省新泰市第一中学东校2023-2024学年高二上学期第二次质量检测数学试题山东省新泰市第一中学东校2023-2024学年高二上学期第二次月考数学试题
3 . 已知等差数列
、等比数列
的前
项和之积为
,设等差数列
的公差为
、等比数列的公比为
,以下正确的所有序号为______ .①
;②
;③
;④
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76aef4cdcb5af742ce28003b7b6c8c20.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f329b217e1051b23f0d61023cdc6e69.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9316c0edb1a625df749e5ff927b2bbb6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76aef4cdcb5af742ce28003b7b6c8c20.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c02bc0c74292b1e8f395f90935d3174.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bbe7bdaaf8b0adf10bf2ef6c1255b1dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e4770abccb1a4b42fe6dde510f5ce18.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96754ae72ae9eab6005b42c50a106545.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a99cc618c080932140ba9bfe84f2825.png)
您最近一年使用:0次
2022-03-01更新
|
162次组卷
|
3卷引用:4.3等比数列(1)