名校
解题方法
1 . 设
是首项为1的等比数列,数列
满足
.已知
,
,
成等差数列.
(1)求
和
的通项公式;
(2)求
的前n项和
,
的前n项和
;
(3)证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3fbfe861da02d555a0653b6a4958a1da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e72adb45c60c2f63b46e65ff787302bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/911278aa8595846abac1972e1de59995.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34b14f57fc31a04b24a84d1e114fbb46.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
(2)求
![](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/034ba25825c13725931c483aa47c9363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1ae9a3b0b7aeb1545b65d91aa371b3c.png)
(3)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9843e98c8398d0b6a1618058992d10be.png)
您最近一年使用:0次
21-22高二下·全国·单元测试
名校
解题方法
2 . 已知数列
的前n项和为
,数列
的前
项和为
,则下列选项正确的为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76aef4cdcb5af742ce28003b7b6c8c20.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b282fa5784bfac1f9d286c18c8c62a0a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6211ea579a31c26406d4b2fafdfd32a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e5f146ebd46beab06b1a38cf90e3fa6.png)
A.数列![]() | B.数列![]() |
C.数列![]() ![]() | D. ![]() |
您最近一年使用:0次
2022-08-15更新
|
2829次组卷
|
19卷引用:辽宁省营口市大石桥市第三高级中学2023届高三上学期10月月考数学试题
辽宁省营口市大石桥市第三高级中学2023届高三上学期10月月考数学试题(已下线)第4章 数列(单元提升卷)-2021-2022学年高二数学下学期考试满分全攻略(人教A版2019选修第二册+第三册)山东省部分校2021-2022学年高三下学期数学开学摸底考试试题2023版 苏教版(2019) 选修第一册 名师精选卷 第十一单元 等比数列 B卷福建省厦门外国语学校石狮分校、泉港区第一中学两校2023届高三上学期第四次联考数学试题(已下线)第4章 数列 单元综合检测-2022-2023学年高二数学《基础·重点·难点 》全面题型高分突破(苏教版2019选择性必修第一册)河北省高碑店市崇德实验中学2022-2023学年高二下学期2月月考数学试题(已下线)1.4 数列在日常经济生活中的应用同步课时训练-2022-2023学年高二上学期数学北师大版(2019)选择性必修第二册同步课时训练(已下线)第4章 数列 单元综合检测(练习)-2022-2023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)(已下线)第6讲 数列的通项公式的11种题型总结(3)甘肃省张掖市某重点校2022-2023学年高二下学期6月月考数学试题山东省泰安市宁阳县第四中学2022-2023学年高二上学期期末数学试题辽宁省沈阳市郊联体2022-2023学年高二下学期期中数学试题安徽省阜南实验中学2022-2023学年高二下学期第一次质量检测(4月)数学试题江苏省苏州市吴江中学2023-2024学年高二上学期10月月考数学试题江苏省南京市2024届高三上学期期中综合复习数学试题重庆市长寿区八校联考2023-2024学年高二上学期期末检测数学试题(B卷)湖南省岳阳市平江县颐华高级中学2024届高三下学期入学考试数学试题广东省2021届高三上学期1月八省联考考前热身数学押题试卷
解题方法
3 . 已知数列
的前n项和为
,
,
.数列
是首项为1,公差d不为零的等差数列,且
,
,
成等比数列.
(1)求数列
与
的通项公式;
(2)如图,在平面直角坐标系
中,依次连接点
,得到折线
,求由该折线与直线
,
,
所围成的区域的面积
.
![](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/c8370a173854471a3eb27637993a3d5d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/28d82e4c2294efbd33e1b268e9a0cec5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13423c094861baf4b759b7f3d8c3c226.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a548938d87c80ac47910607d3857007f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae0fcf02ab751cc3910a0bc0872ac2a7.png)
(1)求数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
(2)如图,在平面直角坐标系
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3dcf67ed4c2bffbdc563286dbaaea11b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dfd0fb864b9546deedb0301d8dfab7e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2a7df955fc17e92fd86302f8c34664a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d220be549e3c9babdd050548d9406b4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/358fae9b6a6e55ea6256197760bd49b4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1ae9a3b0b7aeb1545b65d91aa371b3c.png)
![](https://img.xkw.com/dksih/QBM/2022/1/18/2896974349320192/2900174898642944/STEM/c329f720d5db48d6be678ec71c57af43.png?resizew=199)
您最近一年使用:0次
名校
解题方法
4 . 已知数列
的前
项和为
,且
,
(
,
)
(1)求
的通项公式
;
(2)记
,求数列
的前
项和
.
![](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/039e4fe671d61e59b96ee525c9df43e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2fc44d08b965ae776def91620515cec4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0704f453b2de48d36911f7db496bbf82.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36b98ef143f8159f3a7dafa1fd2f2370.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96abfe2da27a63e6affb19a0c80236d9.png)
(2)记
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f3eeb1d34679fcc13a4688c105c990c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.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
2021-11-16更新
|
744次组卷
|
3卷引用:辽宁省营口市大石桥市高级中学2024届高三上学期12月质量检测数学试题
辽宁省营口市大石桥市高级中学2024届高三上学期12月质量检测数学试题四川省资阳市2021-2022学年高三第一次诊断考试数学(文)试题(已下线)广东省佛山市南海区桂城中学2024届高三上学期12月月考数学试题
5 . 设正项等比数列
中,
,前
项和为
,且_________.
(1)求数列
的通项公式;
(2)若
,求数列
的前
项和
.
在①
;②
;③
.这三个条件中,请选择一个满足题意的正确的条件将上面的题目补充完整,并解答本题.
注:如果选择多个条件分别解答,按第一个解答计分.
![](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/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
(1)求数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/147bd2cb820bf77db32d924dbce9b067.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aec4bdc2a6d4fc387dc621f0b5a268c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1ae9a3b0b7aeb1545b65d91aa371b3c.png)
在①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a71e72c627281f2229afa1f9ad95c2eb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3fdc2575f96fe8c7ce2cd0a13ac00040.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e86551283c9dfa1c39bdc9b0dd546803.png)
注:如果选择多个条件分别解答,按第一个解答计分.
您最近一年使用:0次
6 . 已知数列
的前n项和
,满足![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ccc4079110460d154a23f13e9c00459.png)
(1)求数列
的通项公式;
(2)求数列
的前n项和
![](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/2ccc4079110460d154a23f13e9c00459.png)
(1)求数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
(2)求数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/038d06c669c54725cd3567b338a9b6a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
您最近一年使用:0次
2021-03-25更新
|
328次组卷
|
8卷引用:辽宁省营口市大石桥市第三高级中学2023届高三上学期10月月考数学试题
7 . 已知等比数列
满足
,
,正项数列
前
项和为
,且
.
(1)求数列
和
的通项公式;
(2)令
,求数列
的前
项和
;
(3)若
,求对所有的正整数
都有
成立的
的范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/039e4fe671d61e59b96ee525c9df43e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d12da38ad96a3e687e0a0d7ee117c791.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.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/93ea1ef8209eefc99eecff0427369bb9.png)
(1)求数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
(2)令
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25b67af73f586837594ab0db4b89baed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57ef6d44448092ebdb9e4a49d866a749.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1ae9a3b0b7aeb1545b65d91aa371b3c.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3be362dec96173f246ff747264007817.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d6fbdd4ba14cb5192136175f4a13ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
您最近一年使用:0次
2020-07-25更新
|
1048次组卷
|
4卷引用:辽宁省营口第五中学2020-2021学年高三上学期第二次月考数学(理)试题
辽宁省营口第五中学2020-2021学年高三上学期第二次月考数学(理)试题黑龙江省哈尔滨市第九中学2019-2020学年高一下学期数学月考试题黑龙江省哈尔滨市第九中学2019-2020学年高一下学期数学期末试题(已下线)2021年新高考天津数学高考真题变式题16-20题
8 . 已知数列
的首项
,且满足
.
(1)求数列
的通项公式;
(2)设
,求数列
的前
项和
.
![](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/8def96abbf17459d3c4433af99ea5ddc.png)
(1)求数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a9f19b1aa8030829c75d9a3fbd0958c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57ef6d44448092ebdb9e4a49d866a749.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
您最近一年使用:0次
2020-05-27更新
|
367次组卷
|
2卷引用:辽宁省营口市第二高级中学2019-2020学年高二上学期第一次月考数学试题
9 . 已知函数
满足
且
.
(1)当
时,求
的表达式;
(2)设
,求证:
;
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c0b8e9b3f07d91da4d256d18df240fe5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/321b6c58f9bcbbcf99ba037e3bd4497a.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b1ddf21bc91d94d414e07d5e3a176e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38fcec7af3520884b173b29bda6c657a.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d458014d77505f53d2b1fa95a53804e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4f3c9c533ed2a02e6b9f211fd93d853.png)
您最近一年使用:0次
2019-07-16更新
|
299次组卷
|
4卷引用:辽宁省营口市开发区第一高级中学2017-2018学年高二上学期第一次月考数学试题
11-12高二上·广东揭阳·阶段练习
名校
解题方法
10 . 已知数列
是首项为1,公比为2的等比数列,数列
的前
项和
.
(1)求数列
与
的通项公式;
(2)求数列
的前
项和.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4300dca231e2f4b37f70900b33439d5e.png)
(1)求数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
(2)求数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9a6c852d593cb9f6bdfd9eeddb50fa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
您最近一年使用:0次
2016-12-01更新
|
280次组卷
|
5卷引用:辽宁省营口市第二高级中学2018-2019学年高二上学期第一次月考数学试题
辽宁省营口市第二高级中学2018-2019学年高二上学期第一次月考数学试题(已下线)2011-2012年广东省普宁第二中学高二上学期11月月考文科数学(已下线)2011-2012学年湖南省凤凰县华鑫中学高二下期中数学试卷2014-2015学年云南省蒙自市蒙自一中高二下学期开学考试数学试卷吉林省白城市洮南市第一中学2019-2020学年高一下学期第二次月考数学试题