名校
解题方法
1 . 已知函数
,
.
(1)若函数
在R上单调递减,求a的取值范围;
(2)已知
,
,
,
,求证:
;
(3)证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d013335d41c7a1e51b381eb8e7ef977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22dd8b3dc4c609bab82d356a5cc2208d.png)
(1)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/111870a9ef48f1bb2797ae8f1825a8f4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fde64f4d3c38e43fbdee24eadc4b0dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9897559d21ef1971f497be4269b107aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c0527a896aec4a245945e5edee00deed.png)
(3)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64f6bf190c55c3a0ddbca2ff7a5ecf42.png)
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2023-12-30更新
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1117次组卷
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4卷引用:陕西省名校协作体2024届高三上学期一轮复习联考(四)数学(文)试题
陕西省名校协作体2024届高三上学期一轮复习联考(四)数学(文)试题(已下线)专题2-6 导数大题证明不等式归类-1吉林省通化市梅河口市第五中学2023-2024学年高二下学期第一次月考数学试题(已下线)导数及其应用-综合测试卷A卷
名校
2 . (1)证明:当
时,
;
(2)若不等式
对任意的正实数
恒成立,求正实数
的取值范围;
(3)求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fde64f4d3c38e43fbdee24eadc4b0dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff7e5b12719915c134ab756cb09f75c1.png)
(2)若不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a264a7259b8956b59ef9ef37c9af8855.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(3)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01a0805acb0016f9851d5d1a49e2b553.png)
您最近一年使用:0次
2017-05-22更新
|
507次组卷
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3卷引用:陕西省西安交通大学附属中学雁塔校区2022-2023学年高三下学期高考模拟数学试题
3 . 设椭圆
,
,
分别是C的左、右焦点,C上的点到
的最小距离为1,P是C上一点,且
的周长为6.
(1)求C的方程;
(2)过点
且斜率为k的直线l与C交于M,N两点,过原点且与l平行的直线与C交于A,B两点,求证:
为定值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/851a5d6ec23256f9b4a9e98aa92945fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33d776753746914c2410a3946c357f35.png)
(1)求C的方程;
(2)过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b1a3c79973f7fa2547db303c1279277.png)
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2024-03-24更新
|
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2卷引用:陕西省安康市高新中学2024届高三下学期3月月考数学(理)试题
4 . 已知函数
.
(1)求曲线
在点
处的切线方程;
(2)求
在
上的极值点的个数
(3)证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f438eca2954862a6a7dc020ffeb1e9a.png)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6064ab28b1a5aee2637625d8adb0b24.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98f9cebd4f20ddb3651b634b59e815fc.png)
(3)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60427758af9c900f0bd646412f3c1d03.png)
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解题方法
5 . 已知椭圆的离心率为
,直线
过
的上顶点与右顶点且与圆
相切.
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)过
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92637a7e7dab461f173112dfc8fa7390.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/793894c733026e3f5900b31538fcb731.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2dff006a89ed43e44492206e8516e7f.png)
①直线,
的斜率之积为定值;
②.
您最近一年使用:0次
2024-02-14更新
|
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|
5卷引用:陕西省安康市高新中学2024届高三下学期2月月考数学(文)试题
解题方法
6 . 如图,椭圆E:
两焦点为
,
且经过点
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/15/3a4d9eb6-d6fd-4906-90bd-141e464ccc3a.png?resizew=162)
(1)求椭圆E的离心率e与椭圆方程;
(2)经过点
,且斜率为k的直线与椭圆E交于不同两点P,Q(均异于点A),求证:直线
与
的斜率之和为定值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48da128547c4cf9745e8e4b99988a3db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b9bece414af7ecb2d796dc8a6f549e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6869b1b41d53ee2e148174c8cc0e8eb2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71885f023172807ad43f2c9a670aa960.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/15/3a4d9eb6-d6fd-4906-90bd-141e464ccc3a.png?resizew=162)
(1)求椭圆E的离心率e与椭圆方程;
(2)经过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c832f2474efe89961ef41e884da7660c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20a541b81584a032f571159ea152c85a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84d454c82d9e52747563d47b68099249.png)
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2023-11-19更新
|
446次组卷
|
2卷引用:陕西省咸阳市高新一中2023-2024学年高二上学期第三次质量检测数学试卷
名校
解题方法
7 . 已知
是抛物线
:
上一点,且
到
的焦点的距离为
.
(1)求抛物线
的方程及点
的坐标;
(2)已知直线
与抛物线
相交于A,B两点,
为坐标原点.求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35b44f2573d4a0537783d254d965c9a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3764ba3aa0a241787f4661026bb14053.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/533a7b702ada1dd80123e4041271d521.png)
(1)求抛物线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
(2)已知直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/026808536f6b6d265c778e23836fbf13.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3825ccc273ef9a672a606432d165b866.png)
您最近一年使用:0次
2023-11-18更新
|
761次组卷
|
3卷引用:陕西省渭南市高级中学2023-2024学年高二上学期12月月考数学试题
名校
解题方法
8 . 已知函数
,曲线
在
处的切线方程为
.
(1)求
的解析式;
(2)当
时,求证:
;
(3)若
对任意的
恒成立,求实数k的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86348478166cdea9c037b5c2ea2aa074.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c9f8845aa2b51c460f2d798c9f62fa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7d4f20f4d98141613ff5dd7c37b55c3.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb63478132d4c1fef3c17e591919da83.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/457ab5b47bdaea692f22080dd97fb34c.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/351a282cf4bde27e62660f9a694ef6df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66692ec49a458f9e48c7315d03dfc37b.png)
您最近一年使用:0次
2023-11-11更新
|
707次组卷
|
5卷引用:陕西省西安铁一中滨河高级中学2023-2024学年高二上学期第二次月考数学试题
陕西省西安铁一中滨河高级中学2023-2024学年高二上学期第二次月考数学试题湖北省咸宁鲁迅学校2022-2023学年高三上学期10月月考数学试题(已下线)黄金卷04(已下线)黄金卷02(已下线)2024届新高考数学信息卷4
名校
解题方法
9 . 已知抛物线
,垂直于
轴的直线
与圆
相切,且与
交于不同的两点
.
(1)求p;
(2)已知
,过
的直线与抛物线
交于
两点,过
作直线
的垂线,与直线
分别交于
两点,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e6c830bfa9a1b979a1a9665166424bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d7f565360cb8de963874291c7013118.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61e0c0b5bda80a9aa5b49b03ce2f9352.png)
(1)求p;
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a42451bdbef6c82dbaf8e06f0614794.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7789a500686c7a73770404ead6af0590.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a225b6550530973e4859ea29765c728a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a225b6550530973e4859ea29765c728a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2fe7fd9b0c3c203a053a7ea52b71e7c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a36d2f86d8560ef6a67a34cecb81494b.png)
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2023-12-29更新
|
286次组卷
|
3卷引用:陕西省名校协作体2024届高三上学期一轮复习联考(四)数学(文)试题
名校
10 . 已知函数
.
(1)讨论函数
的单调性;
(2)当
时,令
,若
为
的极大值点,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1bf4647809d73833ddbea8f48cea760b.png)
(1)讨论函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7bb4151f7d79d5068dfc4dc9bbb12ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11abb76da45ffa52b47c3a6b9a03ac7e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46be55c8f2760d6db125f46691a3de48.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c11ce16c6264fb074ca84d93a891ada4.png)
您最近一年使用:0次
2023-11-01更新
|
1204次组卷
|
7卷引用:2024届高三上学期10月大联考(全国乙卷)文科数学试题
2024届高三上学期10月大联考(全国乙卷)文科数学试题陕西省铜川市2024届高三一模数学(理)试题陕西省铜川市2024届高三一模数学(文)试题(已下线)专题2-6 导数大题证明不等式归类-2(已下线)模块四 第五讲:利用导数证明不等式【练】(已下线)第五章 一元函数的导数及其应用(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)(已下线)宁夏回族自治区石嘴山市平罗中学2024届高三下学期第一次模拟考试数学(理)试题