名校
解题方法
1 . 已知
,
,且
在点
处的切线与直线
垂直.
(1)求实数
的值.
(2)若
的图象经过原点,且
,当
时,
过点
的切线至少有
条,求实数
的取值范围.
(3)若
,且
,其中
,
均为正实数.证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2dc19a078760863c7e681e59e0ec56b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c8bb7e252de0e54ca82ad2c36ffba37.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5828873f8369183faf71181cda5b61d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/227d4946b9dbfdc8bef33b42b6a82572.png)
(1)求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46be55c8f2760d6db125f46691a3de48.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bbab1a525c4451a43041defaa18a98f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d9fab43d7bc79776880a47091152b46.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46be55c8f2760d6db125f46691a3de48.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa70fa7eb86c3733e2c1f1c7d07dd802.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7892b90ae2ff71fd827c95e5aabc3049.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ca96bf407a3ba46ef3c59c5eee4137c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/803b13fac1480b428cb4ee4555852024.png)
您最近一年使用:0次
名校
2 . 设
,函数
,若
在区间
内恰有7个零点,则a的取值范围是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10bbdef421c976962a270a2beabbad91.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ed2d6262a9a962d8ec5f6dc3a4e0eef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d562dc22dfb3b81d0c3f88b54d063c2f.png)
您最近一年使用:0次
3 . 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
|
1753次组卷
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3卷引用:天津市第一百中学2024届高三上学期过程性诊断数学试题(二)
名校
4 . 如图,
是由三个全等的钝角三角形和一个小的正三角形拼成一个大的正三角形,若
,
,点M为线段
上的动点,则
的最大值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc11331a7b2d2619b40ee6d34c3bd620.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/714cc3707bba3bfdb56e251999be8592.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eedae8d316c76e3d0b451256de03fb9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5346a107693e79692310075db9b7b34.png)
A.![]() | B.![]() | C.6 | D.10 |
您最近一年使用:0次
2023-12-27更新
|
1968次组卷
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16卷引用:天津市第一百中学2024届高三上学期过程性诊断数学试题(二)
天津市第一百中学2024届高三上学期过程性诊断数学试题(二)江西省上饶市玉山县第二中学2024届高三上学期12月月考数学试题(已下线)重难点4-1 平面向量的最值与范围(4题型+满分技巧+限时检测)(已下线)【练】 专题二 与平面给向量数量积有关的范围与最值问题(压轴大全)(已下线)专题6.12 平面向量及其应用全章综合测试卷(提高篇)-举一反三系列(已下线)专题6.3 向量的数量积-举一反三系列(已下线)第03讲 向量的数量积-《知识解读·题型专练》(人教A版2019必修第二册)(已下线)专题04 向量的数量积(1)-《重难点题型·高分突破》(苏教版2019必修第二册)(已下线)专题01 平面向量压轴题(2)-【常考压轴题】(已下线)专题04 向量的数量积(1)-《重难点题型·高分突破》(已下线)6.2.4 向量的数量积10种常考题型归类(1)-高频考点通关与解题策略(人教A版2019必修第二册)(已下线)第6章 平面向量及其应用 单元综合检测(难点)-《重难点题型·高分突破》(人教A版2019必修第二册)广东省珠海市北京师范大学(珠海)附属高级中学2023-2024学年高一下学期第一次月考数学试卷黑龙江省大庆市大庆中学2023-2024学年高一上学期月考数学试题(已下线)6.2.4 向量的数量积——课后作业(基础版)(已下线)江苏省南京市六校联合体考试2023-2024学年高一下学期4月期中数学试题变式题6-10
名校
解题方法
5 . 若函数
恰有4个零点,则实数
的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae8955fb9bc5bf4be8c43869ede37176.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
6 . 若
为等差数列,
为等比数列,
.
(1)求
和
的通项公式;
(2)对任意的正整数
,设
求数列
的前
项和.
(3)记
的前
项和为
,且满足
对于
恒成立,求实数
的取值范围.
![](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/dd1abd285201562ef56b5dff3cedbc6a.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
(2)对任意的正整数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c6d28a9b0413f16caab7163305ad0b3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57ef6d44448092ebdb9e4a49d866a749.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2d51f9147b8265c0276c1f2c2659197.png)
(3)记
![](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/071b9f8abb89e6f1e17a4e71b9d65418.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/930bc56406e69b785b37a83d48e36724.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
2023-01-10更新
|
1874次组卷
|
5卷引用:天津市第一百中学2022-2023学年高三上学期期末线上测试数学试题
天津市第一百中学2022-2023学年高三上学期期末线上测试数学试题天津市滨海新区大港第三中学2022-2023学年高三上学期线上期末检测数学试题天津市滨海新区塘沽第一中学2023届高三三模数学试题(已下线)第五章 数 列 专题4 数列中不等式能成立与恒成立的求参问题天津市经济技术开发区第一中学2024届高三下学期开学考试数学试卷
名校
解题方法
7 . 已知函数
,若方程
的图像恰有5个不同实根,则实数
的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa11c750bf0ec9c21f078d3f511c6c2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12d521f6f98617ab12459917bc59dbd1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
8 . 已知数列
是公差为2的等差数列,其前8项的和为64.数列
是公比大于0的等比数列,
,
.
(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/4995fa0403e013d888c0935ebfe15024.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fd86fd3108963fbf87c75d504fa40cf.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/5d9037368a39bb0bff26415939c77359.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)记
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37cf77695058b0b8e6b8ac8fd090137d.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
2022-12-06更新
|
2262次组卷
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7卷引用:天津市第二耀华中学2022-2023学年高三上学期第二次月考数学试题
名校
9 . 已知椭圆
的右焦点为
,上顶点为
,离心率为
,且过点
且与
轴垂直的直线被椭圆截得的线段长为
.
(1)求椭圆的标准方程;
(2)直线
与椭圆有唯一的公共点
,与
轴的正半轴交于点
,过
与
垂直的直线交
轴于点
.若
,求直线
的方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48da128547c4cf9745e8e4b99988a3db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3fe2c533dbc23a34518f72f3cb14f330.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a391005600bdd69c96750589f9adb048.png)
(1)求椭圆的标准方程;
(2)直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2fc5bd66dd6d5e09ff0893a938aed56e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/274cf35acb4a1748d15c39d15a9bea7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6d178a7310c9e613c29648745355ad8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
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2022-12-06更新
|
1148次组卷
|
6卷引用:天津市第二耀华中学2022-2023学年高三上学期第二次月考数学试题
天津市第二耀华中学2022-2023学年高三上学期第二次月考数学试题天津市耀华中学2022-2023学年高三上学期第三次月考数学试题天津市南开大学附属中学2023届高三下学期3月统练(二)数学试题(已下线)信息必刷卷02(天津专用)天津市南开中学2022-2023学年高二上学期期末结课练习数学试题(已下线)期末押题预测卷02(范围:选择性必修第一册、选择性必修第二册)-【单元测试】2022-2023学年高二数学分层训练AB卷(人教B版2019)
名校
解题方法
10 . 已知函数
.
(1)若曲线
在
处的切线的方程为
,求实数
,
的值;
(2)当
时,
,且
,求证
.
(3)若
,对任意
,
,不等式
恒成立,求
的取值范围;
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d3b84631f2d689ddd86c869b75e0d82.png)
(1)若曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2f8368f7daaae96338581b7ad1e5d13.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7152aea5d046953a8c931571be7c529.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19033a637fa5bf046a6276fe76b71312.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4887473a8091e1ef53a169cc9f211e3a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f2fdeba282b028321696be7f90f2cbfe.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf7b339246d52b29603d33c152f44de1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f01015e1339e400649049d5684852c5c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77e3de74f4c6064bfae2899a82033305.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64bf3ee83962aa5fb9f95ac27469bbb7.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91e06d02e1cde6f8103d61f9a0c4717a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b12a4eecd249473a831d0ee472470240.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba20949b66d70ec7b20a4593f4711fe7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a025395568cfa5bb2890e085c0a574d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ab4717e4827480f0f6f4ded85e52eab.png)
您最近一年使用:0次
2022-10-20更新
|
536次组卷
|
5卷引用:天津市第二耀华中学2022-2023学年高三上学期第二次月考数学试题