名校
解题方法
1 . 已知等差数列
的前
项和为
,若
,则
( )
![](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/c2d58b073be68935d7d6a65cca8a42cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9eab8f8926b996f9bee57d96067f5bac.png)
A.288 | B.144 | C.96 | D.25 |
您最近一年使用:0次
2024-06-15更新
|
1112次组卷
|
3卷引用:湖北省武汉市武昌区2024届高三下学期5月质量检测数学试卷
2 . 已知等差数列
的前
项和为
,公差为
,且
单调递增.若
,则
( )
![](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/5c02bc0c74292b1e8f395f90935d3174.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/846fa57d92d6ad44d6a0cafad1e71ed4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36ba808c24aeae6a2f34b98ae5ec04ae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b521653edb53a8480b0b6a3b64f9bb5.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2024-03-22更新
|
1102次组卷
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2卷引用:湖北省黄冈市文海大联考2024届高三下学期临门一卷(三模)数学试题
名校
解题方法
3 . 已知数列
,则数列
的通项公式![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3f7fda69e2b32b9ced2239f915fa59b.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2279dad9128614e32e1b3446fbf336b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3f7fda69e2b32b9ced2239f915fa59b.png)
您最近一年使用:0次
2023-09-29更新
|
3130次组卷
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17卷引用:湖北省仙桃市田家炳实验高级中学2024届高三上学期11月月考数学试题
湖北省仙桃市田家炳实验高级中学2024届高三上学期11月月考数学试题湖北省荆州中学2021-2022学年高二上学期期末数学试题(已下线)4.3 利用递推公式求通项(精练)-【一隅三反】2023年高考数学一轮复习(基础版)(新高考地区专用)宁夏青铜峡市宁朔中学2024届高三上学期第四次月考数学(文)试题(已下线)广东省佛山市第一中学2024届高三上学期第二次调研数学试题变式题11-16黑龙江省佳木斯市第十二中学2021-2022学年高二下学期期中数学试题江苏省盐城市响水县灌江高级中学2022-2023学年高二上学期期末数学试题河南省许昌市禹州市开元学校2022-2023学年高二下学期3月月考数学试题甘肃省陕西师范大学平凉实验中学2023-2024学年高二上学期第一次月考数学试题重庆市荣昌中学校2022-2023学年高二上学期期末数学试题(已下线)模块一 专题6 数列的通项公式与求和问题(已下线)专题04 数列通项与求和技巧总结(十大考点)-【寒假自学课】2024年高二数学寒假提升学与练(人教A版2019)(已下线)第4章 数列 章末题型归纳总结(1)(已下线)重难点01:常见数列通项的20种解题策略-2023-2024学年高二数学同步精品课堂(北师大版2019选择性必修第二册)(已下线)专题4.2 等差数列(5个考点八大题型)(1)(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)河南省驻马店经济开发区高级中学2023-2024学年高二下学期4月期中考试数学试题
名校
解题方法
4 . 已知数列
的前
项和为
,若
是等差数列,且
,
,则
( )
![](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/4dea1dd4ffcb4cf0697ca43079f6a1f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72c98aaba1203b133a3b019d6102e367.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d144774d53f3ac271dded14f6c9049b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7999465d0e871febde66296a0cbf058c.png)
A.1 | B.![]() | C.10 | D.![]() |
您最近一年使用:0次
2021-12-05更新
|
1335次组卷
|
3卷引用:湖北省武汉市华中师范大学第一附属中学2024届高三高考考前数学测试卷
名校
解题方法
5 . 在数列
中,若
且
.
(1)求证:数列
是等差数列;
(2)求数列
的通项公式
及数列
的前n项和
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63d471926f7b27322d90c82b9ce21d3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2815b24f5a89be7ae53aed93182e8988.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/873654cf5b27ad472c798b3b047153b4.png)
(1)求证:数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad83668ff336589f82a2cd04db9f9947.png)
(2)求数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63d471926f7b27322d90c82b9ce21d3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96abfe2da27a63e6affb19a0c80236d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/62aadbfe3ef08851f220c3371684a1bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1ae9a3b0b7aeb1545b65d91aa371b3c.png)
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2021-06-04更新
|
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4卷引用:湖北省黄冈中学2021届高三下学期5月适应性考试数学试题
湖北省黄冈中学2021届高三下学期5月适应性考试数学试题(已下线)第17题 数列解答题的两大主题:通项与求和-2021年高考数学真题逐题揭秘与以例及类(新高考全国Ⅰ卷)(已下线)考点20 数列的概念与简单表示法-备战2022年高考数学(文)一轮复习考点帮江苏省宿迁市沭阳如东中学2022-2023学年高三上学期9月阶段测试(三)数学试题
6 . 已知等差数列
的前
项和为
,且满足:
,
.
(1)求数列
的通项公式;
(2)记数列
的前
项和为
,求
取得最大值时
的值.
![](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/c01275cebf334efe1639f838efc720c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/856789e8ef3064cab89d8de2daf6069d.png)
(1)求数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
(2)记数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4dea1dd4ffcb4cf0697ca43079f6a1f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1ae9a3b0b7aeb1545b65d91aa371b3c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1ae9a3b0b7aeb1545b65d91aa371b3c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
您最近一年使用:0次
7 . 已知首项为
的数列
满足
,记数列
的前
项和为
.
(1)求
的值;
(2)求证:数列
是等差数列;
(3)求数列
的前
项和
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f4ea13720f66cf0bac1e17dd1e05c7a.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)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/761eed1675f82dbe332cf200159272eb.png)
(2)求证:数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/099a64d86bd0b4602578d910322adc1b.png)
(3)求数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/340ea5c099596f891b6df420f66d0d09.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1ae9a3b0b7aeb1545b65d91aa371b3c.png)
您最近一年使用:0次
8 . 已知数列
为等差数列,前
项和为
,且
则
( )
![](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/36ba808c24aeae6a2f34b98ae5ec04ae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc4e70b360f988fdbd92300ab22c4613.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2020-03-21更新
|
785次组卷
|
6卷引用:2020届湖北省武汉一中高三下学期4月高考模拟数学(文)试题
9 . 已知
是定义在
上的不恒为零的函数,且对于任意的
,满足
,
,
(
),
(
).考查下列结论:①
;②
为偶函数;③数列
为等差数列;④数列
为等比数列.其中正确的是_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/773ca22fc12ade9e60dbc749ba5cfa73.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ceeae9949a0421dbe38797ee9534e7e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/896df31f80127adbae738b3a014bd4e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da35a83eca0a6817a466d761bad0384e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1933b7c3ace69622339353431c519b13.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ef270db8a6078996a9f5efce42537d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cea4ac187cbb465180e89f38250b3970.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f2d0c9d13770863f59ea9fa45488de63.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
您最近一年使用:0次
名校
10 . 已知数列
满足
,
,
,2,
.
求数列
的通项;
设
,求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe229b24e2d56ff6b491725ceae4ff2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/381576e698a46df8c497e6b5f8346ddc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97db3d6a5fb8fbe79a07079a408a221b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26efd639901401ed017a6aa32ea19907.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b68dd42a5d828b80241e317a543fd704.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4141b26d2c32655003494a91ad6331b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe229b24e2d56ff6b491725ceae4ff2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65863c1abad833b79c303bfca24f535c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71c6abeda4aad0ae708da907d160dbe2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b708c8dcb2d66eb2ce0b3718a9cd924a.png)
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2020-01-30更新
|
1833次组卷
|
8卷引用:2020届湖北省黄冈市高三上学期期末数学(理)试题
2020届湖北省黄冈市高三上学期期末数学(理)试题2020届湖北省第五届高考测评活动高三元月调考理科数学试题2020届高三2月第01期(考点06)(理科)-《新题速递·数学》安徽师范大学附属中学2019-2020学年高三下学期2月第一次月考理科数学试题(已下线)专题04 求数列的通项公式(第二篇)-备战2020年高考数学大题精做之解答题题型全覆盖(已下线)专题03 数列求和问题(第二篇)-备战2020年高考数学大题精做之解答题题型全覆盖河南省信阳市2021-2022学年高三下学期第二次质量检测数学(理科)试题河南省郑州市第四高级中学2021-2022学年高二下学期第二次调研考试数学(理)试题