名校
解题方法
1 . 已知数列
满足
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4f68dfeca719b1880c918f9a5c0cec5.png)
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b89a10d95109e8545aad12854a46dcdb.png)
__________ ;数列
的前20项和![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3bc625e19e7ca2b9d097f67a3d472e47.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/d4f68dfeca719b1880c918f9a5c0cec5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94cc6bdd50386adcfd80fdb1bb832ae7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b89a10d95109e8545aad12854a46dcdb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3bc625e19e7ca2b9d097f67a3d472e47.png)
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8卷引用:模块三 专题3 小题满分挑战练(3) 期末终极研习室(高二人教A版)
(已下线)模块三 专题3 小题满分挑战练(3) 期末终极研习室(高二人教A版)(已下线)期末精确押题之填空题(40题)-2023-2024学年高二数学上学期《考点·题型·难点》期末高效复习(人教A版2019)(已下线)第四章 数列(单元测试)-2023-2024学年高二数学同步精品课堂(人教A版2019选择性必修第二册)江苏省泰州市泰兴中学2023-2024学年高二上学期阶段测试(三)数学试题(已下线)专题01求数列通项公式9种常考题型归类【好题汇编】-备战2023-2024学年高二数学下学期期末真题分类汇编(北师大版2019选择性必修第二册)江苏省启东市2023-2024学年高二上学期期中质量监测数学试卷山东省泰安市新泰中学2023-2024学年高二上学期第三次阶段性考试数学试题(已下线)【练】专题5 分段数列问题
名校
解题方法
2 . 关于曲线
,有下述两个结论:①曲线
上的点到坐标原点的距离最小值是
;②曲线
与坐标轴围成的图形的面积不大于
,则下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93235b3c3c78325c8b58d4bb9bf9b2ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d5989c84e320b504511f23eeb6e7357.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
A.①、②都正确 | B.①正确 ②错误 | C.①错误 ②正确 | D.①、②都错误 |
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5卷引用:上海市通河中学2023-2024学年高二上学期期末考试数学试题
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3 . 已知数列
满足
,
,记数列
的前
项和为
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b2778e2dadff4d91102e6046bb5def8.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/29b3c41c77bacd1246c2d0bff29a70a4.png)
![](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/9b2778e2dadff4d91102e6046bb5def8.png)
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(已下线)数列专题:数列求和的常用方法(6大题型)-2023-2024学年高二数学题型分类归纳讲与练(人教A版2019选择性必修第二册)(已下线)专题2 数列的奇偶项问题【练】(高二期末压轴专项)福建省三明地区部分高中校协作2023-2024学年高二上学期期中联考数学试题河北省承德市双滦区实验中学2024届高三上学期11月月考数学模拟试题(1)
4 . 已知
是等差数列
的前
项和,满足
,设
,数列
的前
项和为
,则下列结论中正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.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/3e51bd048ce07c3d52e414ba46be23a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/230ae9538a1b0ec62c3491cbce25df8f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8af0d8d4f6e5b80bcb510173c5802358.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1ae9a3b0b7aeb1545b65d91aa371b3c.png)
A.![]() | B.使得![]() ![]() |
C.![]() | D.当![]() ![]() |
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(已下线)模块三 专题3 小题满分挑战练(2) 期末终极研习室(高二人教A版)(已下线)第06讲:数列求和 (必刷5大考题+5大题型)-2023-2024学年高二数学上学期《考点·题型·难点》期末高效复习(人教A版2019)山西省朔州市怀仁市2023-2024学年高二上学期第二次教学质量调研数学试题中学生标准学术能力诊断性测试(THUSSAT)2023-2024学年高三上学期11月测试数学试卷
名校
5 . 已知无穷正整数数列
满足
,则
的可能值有( )个
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25c65b4ad9f4dbbdc5b93c4c2bd38bed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e72adb45c60c2f63b46e65ff787302bf.png)
A.2 | B.4 | C.6 | D.9 |
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6卷引用:专题4-1 数列通项及函数性质12种题型归类(讲+练)-【巅峰课堂】2023-2024学年高二数学热点题型归纳与培优练(人教A版2019选择性必修第二册)
(已下线)专题4-1 数列通项及函数性质12种题型归类(讲+练)-【巅峰课堂】2023-2024学年高二数学热点题型归纳与培优练(人教A版2019选择性必修第二册)(已下线)4.3 数列-求数列通项的八种方法(八大题型)(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)河南省南阳市六校联考2023-2024学年高二下学期4月期中考试数学试题变式题1-5浙江省宁波市镇海中学2023-2024学年高二上学期期中考试数学试卷河北省承德市双滦区实验中学2024届高三上学期11月月考数学模拟试题(1)江西省部分学校2024届高三上学期期中数学试题
6 . 已知等差数列
的前n项和为
,
,
,数列
满足
,
.
(1)求
的通项公式;
(2)设数列
满足
,若
的前n项和为
,证明:
.
![](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/039e4fe671d61e59b96ee525c9df43e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/033fd16b5cffcaf285d28d7583e0ff3f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b72ddd7de598464a37b10f03f67b904.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0ce1a0815e84c82544abd418572f4b6.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
(2)设数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57ef6d44448092ebdb9e4a49d866a749.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a89018baf5e950b99d0f1d3a48f6d688.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57ef6d44448092ebdb9e4a49d866a749.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1ae9a3b0b7aeb1545b65d91aa371b3c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2caf8c4806569a493c79902a617f4c2e.png)
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(已下线)第四章 数列(压轴题专练,精选28题)-2023-2024学年高二数学单元速记·巧练(人教A版2019选择性必修第二册)山西省太原市成成中学校2023-2024学年高二下学期4月月考数学试题山东省临沂市2023-2024学年高三上学期期中考试数学试题新疆克拉玛依市第十三中学2024届高三上学期12月月考数学试题
名校
7 . 已知数列
满足
,
,若对于任意正整数
,都有
,则
的取值范围为( )
![](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/30c9bab4b3569452bfdc1974a5907006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a99cafde4175267f13d6bd718de661f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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5卷引用:湖南省永州市第一中学2023-2024学年高二上学期第三次月考数学试题
湖南省永州市第一中学2023-2024学年高二上学期第三次月考数学试题(已下线)第四章 数列(压轴题专练,精选28题)-2023-2024学年高二数学单元速记·巧练(人教A版2019选择性必修第二册)四川省雅安市雅安市联考2023-2024学年高三上学期期中考试数学(理)试题四川省绵阳市绵阳实验高级中学2024届高三上学期11月月考数学(理)试题(已下线)专题09 数列的通项公式、数列求和及综合应用(练习)-2
8 . 已知直线
与
相交于点
,直线
与
轴交于点
,过点
作
轴的垂线交直线
于点
,过点
作
轴的垂线交直线
于点
,过点
作
轴的工线交直线
于点
,…,这样一直作下去,可得到一系列点
,
,
,
,…,记点
的横坐标构成数列
,给出下列四个结论:
①点
; ②数列
单调递减;
③
; ④数列
的前
项和
满足:
.
其中所有正确结论的序号是__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6358e1d29f143d9985718edabedbb538.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37b0c747d1d8f633ac01f2b06a110d5e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2708fa6298e52f617383efc175b71ddc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2708fa6298e52f617383efc175b71ddc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a86380a6d6501f6504dcb4aa5e3099f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a86380a6d6501f6504dcb4aa5e3099f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b9cb8e6ff801523b0304576cd69fd2d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b9cb8e6ff801523b0304576cd69fd2d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eae863e7a1f1fed09f1075de4a817c63.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2708fa6298e52f617383efc175b71ddc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a86380a6d6501f6504dcb4aa5e3099f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b9cb8e6ff801523b0304576cd69fd2d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eae863e7a1f1fed09f1075de4a817c63.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0fb5c4c19ac84d269620933529d592d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e976c0663fa749ca749f99842d21ca03.png)
①点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/067308c1308d8c3d3d1f5d4cf52231d6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d497e59ca415b9973ae8b07cd28e472.png)
③
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a682947e42a40a3d3206e9a8fd843628.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e976c0663fa749ca749f99842d21ca03.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/11dab3dcc415a6c21b2d178a45615790.png)
其中所有正确结论的序号是
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2023·全国·模拟预测
名校
解题方法
9 . 已知
为数列
的前
项和,
是公差为1的等差数列.
(1)证明:数列
是等比数列,并求
的通项公式;
(2)若
,数列
的最大项为
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](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/25dde22b9a981a875dbe9d9fd0c6c8b8.png)
(1)证明:数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e2de706dc5f0439b989273a5367f63a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/735e04d9f9144f361a09520eca917d84.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/233427826eb2233641fc3a9805f6d206.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
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名校
10 . 设数列
的前
项和为
,且
,数列
满足
,其中
.则使不等式
对任意正整数
都成立的最大实数
的值为__________ .
![](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/851afb5fa82c3e4448ac7b674d143cdf.png)
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6卷引用:天津市北辰区天津四十七中2023-2024学年高二上学期第二次阶段性检测数学试题
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