名校
1 . 如图所示,在
中,点
为
边上一点,且
,过点
的直线
与直线
相交于
点,与直线
相交于
点(
,
交两点不重合).若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/549f99e6e10e61af2e7734c4d01ea90c.png)
________ ,若
,
,则
的最小值为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff400c098ae6bf6abd24651a5a21114e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56bdf756e624fee8d3c2b036cb5ad158.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/549f99e6e10e61af2e7734c4d01ea90c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e4425dc7c346e4597c0521d7f636174.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d3605b320cae7b4a85aa273dfb7e606.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/febf7413b35cf2889fdb57a6b519087c.png)
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11卷引用:天津市红桥区2023届高三一模考试数学试题
天津市红桥区2023届高三一模考试数学试题(已下线)6.3.1 平面向量基本定理【第三练】“上好三节课,做好三套题“高中数学素养晋级之路(已下线)经典好题1 积常和小 和常积大【讲】重庆市九龙坡区部分学校2023-2024学年高一下学期阶段测试数学试题(已下线)考点2 平面向量基本定理及坐标表示 --2024届高考数学考点总动员【练】(已下线)第6章 平面向量及其应用 单元综合检测-《重难点题型·高分突破》(人教A版2019必修第二册)江苏省扬州市扬州大学附属中学东部分校2023-2024学年高一下学期第一次模块学习效果调查(3月)数学试题(已下线)第八章 平面向量(知识归纳+题型突破)(2)-单元速记·巧练(沪教版2020必修第二册)(已下线)高一下学期期中复习填空题压轴题十七大题型专练(1)-举一反三系列(人教A版2019必修第二册)广东省中山市迪茵公学2023-2024学年高一下学期第一次月考数学试题广西防城港高级中学2023-2024学年高一下学期4月月考数学试题
名校
解题方法
2 . 设等比数列
的前
项和为
,已知
,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/2a14289ab92af4b24fabc6b65e385944.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9620357ea5be4037cfdccd09a27d3862.png)
A.80 | B.160 | C.121 | D.242 |
您最近一年使用:0次
名校
解题方法
3 . 在
中,角
所对的边分别为
,已知
的面积为
,
.
(1)求
和
的值;
(2)求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24e0c10fb103930eabd5fa18e8f9bb06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76f0649064a085fb74c997fb507a9b6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/78402004b52882f028aec0491c21527d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d2c76ba30b82c94f7d8af0fc631059b.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dcfa3e340b3976832d450dd4ae7e7a7.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8275122d7c894995175e9e6a40608b3.png)
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1038次组卷
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2卷引用:2024届天津市十二区县重点学校一模模拟考试数学试卷
4 . 已知
是等比数列,满足
,且
成等差数列,数列
满足
.
(1)求
和
的通项公式;
(2)设
,求数列
的前
项和
:
(3)设
,求数列
的前
项和
.
![](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/ab965b07c18f28056b98143e06ee3ad1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d86e753ba5d765d45faf5c52dd70d15.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/538edf778458b8dcecfd2f8cb91a2b10.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57ef6d44448092ebdb9e4a49d866a749.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2d51f9147b8265c0276c1f2c2659197.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b9a0d7150fb24be3e28ef7f0e18be93.png)
(3)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/28d1185449c051b1370380bbe217b83e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b783cf91e34e692ce8e171f0965cb53f.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
5 . 已知
是等差数列,
是公比不为1的等比数列,
,
,
,且
是
与
的等差中项.
(1)求:数列
和
的通项公式.
(2)设
,求
.
(3)若对于数列
、
,在
和
之间插入
个
,组成一个新的数列
,记数列
的前n项和为
,求
.
![](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/7def23f30138e0b7c4c1e498d6903a6c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a8ec38ab7e6912bcc97513a359bd5e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1320e2e9d9c398ec700482b06153d05b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7e82778985cd2e9f80ca7b7cabb1a85.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9632e7e5a6eb0c85cb44940c60618d67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57483e04fd1840c87ac5325157149877.png)
(1)求:数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a63414b590739f4338d062e39214c5cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ecc554fa88de158f1932b874c90765d.png)
(3)若对于数列
![](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/5f255d0395fba51ca2d44293cca42e0a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/217b927efe12a98e1082ecd7f035b921.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/233427826eb2233641fc3a9805f6d206.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ebdf052d0d9dc656c66ad1ada37a4ff1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57ef6d44448092ebdb9e4a49d866a749.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/fb3200f3cc24af2c9663b5c0de282810.png)
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2023-12-27更新
|
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|
3卷引用:天津市部分学校2023-2024学年高三下学期第一次质量调查数学试卷
名校
解题方法
6 . 在
中,角
的对边分别为
.
(1)求角
的大小;
(2)若
的面积为
.
①求
的值;
②求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24e0c10fb103930eabd5fa18e8f9bb06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/259245cc05d2cac9c61e0190f00fc517.png)
(1)求角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27094d2ea43a498108201deeaa09c276.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/adbd3e8cf8325999cde03adf845d3dd0.png)
①求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20cda097a4e7c41100e573d8304ee066.png)
②求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9884c59e6c5cab80b1f61d16eb9d0378.png)
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2023-12-24更新
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3卷引用:天津市新华中学2024届高三下学期数学学科统练2
名校
7 . 已知
,且
,则
的最大值为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5805a4fb349c844e5e0a2ee02b66ebc0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b310bd01c4deb2e6370880c2c4ed13e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e85b156050b3741aea91bac118f6087.png)
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2023-12-24更新
|
765次组卷
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3卷引用:天津市新华中学2024届高三下学期数学学科统练2
名校
8 . 在等比数列
中,
成等差数列,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0720dcc8b079c54909e3f116bbcf92f1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea2298b5909779427ed6c11040b47aa1.png)
A.3 | B.![]() | C.9 | D.![]() |
您最近一年使用:0次
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|
1680次组卷
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5卷引用:天津市新华中学2024届高三下学期数学学科统练2
天津市新华中学2024届高三下学期数学学科统练2天津市和平区耀华中学2024届高三上学期第三次月考数学试题天津市河西区新华中学2024届高三上学期统练数学试题(二)(已下线)高三数学开学摸底考01(新高考七省地区专用)(已下线)4.3.1 等比数列的概念(分层练习)-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)
9 . 已知数列
是数列
的前
项和,已知对于任意
,都有
,数列
是等差数列,
,且
成等比数列.
(1)求数列
和
的通项公式.
(2)记
,求数列
的前
项和
.
(3)记
,求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6118d99ea5ce8feb86c2edfa9863b78c.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/05ec09a5b5fd94c1dd994a759907ef1d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6236cfb43def832ee82170a3957976ae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ccfb41895ec7f30f66ccff2649cab86.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c3fcf2d55d332154010c79b64692aca.png)
(1)求数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
(2)记
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09646bdcb56e52245c84d948b915b681.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b783cf91e34e692ce8e171f0965cb53f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1ae9a3b0b7aeb1545b65d91aa371b3c.png)
(3)记
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a46bd27de9efc3438c3ff2561e1c443.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e3cd79c7edcf79e64ed8d7aec2b9c58.png)
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|
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5卷引用:天津市新华中学2024届高三下学期数学学科统练2
天津市新华中学2024届高三下学期数学学科统练2天津市静海区第一中学2024届高三上学期12月月考数学试题天津市河西区新华中学2024届高三上学期统练数学试题(二)(已下线)高三数学开学摸底考01(新高考七省地区专用)(已下线)重难点5-2 数列前n项和的求法(8题型+满分技巧+限时检测)
10 . 已知数列
对任意
满足
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cad52924df9291d5d191d18e09374ee1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/62cef65a7ab6b70b9152721cb08ac7f4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46b2607e2937d9107850032632c7ff60.png)
A.3032 | B.3035 | C.3038 | D.3041 |
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5卷引用:天津市第一中学滨海学校2024届高三第四次学业水平质量调查数学试卷
天津市第一中学滨海学校2024届高三第四次学业水平质量调查数学试卷安徽省“皖江名校联盟”2024届高三上学期12月月考数学试题重庆市部分学校2024届高三上学期第四次联考数学试题(已下线)考点1 等差数列的定义与判断 2024届高考数学考点总动员【练】(已下线)专题09 数列的通项公式、数列求和及综合应用(练习)-1