1 . 已知函数
.
(1)若
,求证:
;
(2)若函数
在
处取得极大值,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6ffae39f71fe2bebfa87fd627a808b5.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e9c599e8d420006448905acec2b8234.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb45f673c56a289ea78831c9237e8d20.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2023-11-24更新
|
331次组卷
|
3卷引用:湖北省宜昌市协作体2023-2024学年高三上学期期中考试数学试题
解题方法
2 . 已知
,函数
.
(1)求证:
;
(2)若
为
的极值点.点
在圆
上.求一个满足要求的
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fbe45993e6bd636a4f34886bb3d72f42.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/788ebf70de03fb27efdb04252024b55a.png)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a97c5215b81b7c9fda63fc3f99fc976f.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca84dff2367d3127e8ea7775981345b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/763f6c02b45500e5a42ce71f5e10ed96.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
解题方法
3 . 已知函数
.
(1)若
在
处取到极值,求
的值;
(2)求证:当
时,
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7031dfe2c5f24bb66eaa2208caae1b0.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)求证:当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0704f453b2de48d36911f7db496bbf82.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/deba3731aa715882ac0d4940667f13a2.png)
您最近一年使用:0次
2023-08-27更新
|
318次组卷
|
4卷引用:四川省眉山冠城七中实验学校2022-2023学年高二下学期期中理科数学试题
四川省眉山冠城七中实验学校2022-2023学年高二下学期期中理科数学试题四川省眉山市眉山冠城七中实验学校2022-2023学年高二下学期期中文科数学试题(已下线)导数专题:导数与不等式成立问题(6大题型)-2023-2024学年高二数学题型分类归纳讲与练(人教A版2019选择性必修第二册)(已下线)第五章:一元函数的导数及应用章末重点题型复习(3)
解题方法
4 . 已知函数
.
(1)若
存在极值,求
的取值范围;
(2)若
,
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e20a21999ea818acdfb48d3641f70d3b.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1fe2115d883d13561e28006d3f6143b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66692ec49a458f9e48c7315d03dfc37b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e0c59c93623fecf375c5beb1cdd2087.png)
您最近一年使用:0次
2024-03-27更新
|
1231次组卷
|
5卷引用:四川省广安市2024届高三第二次诊断性考试数学(文)试题
5 . 已知函数
,当
时,
有极大值
.
(1)求实数
的值;
(2)当
时,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bbde092724516c856e098ef4b64ca8df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92be82894508d5fd942f8933e736b728.png)
(1)求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632244ea6931507f8656e1cc3437d392.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ccb386d0336af1dcab4e608bf6e97db8.png)
您最近一年使用:0次
2024-03-04更新
|
2291次组卷
|
4卷引用:安徽省合肥市2024届高三第一次教学质量检查数学试题
6 . 已知函数
.
(1)求曲线
在点
处的切线方程;
(2)证明:(1)中的切线经过定点;
(3)若
在
上有极值,求
的取值范围,并指出该极值是极大值还是极小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53daab2363fb6fa8c5753da2ea15e0f9.png)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5828873f8369183faf71181cda5b61d2.png)
(2)证明:(1)中的切线经过定点;
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5d6243e93c41978871cb23d8e66148d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2023-10-12更新
|
368次组卷
|
3卷引用:辽宁省朝阳市名校联考2023-2024学年高三上学期开学数学试题
名校
解题方法
7 . 设
是定义域为
的函数,当
时,
.
(1)已知
在区间
上严格增,且对任意
,有
,证明:函数
在区间
上是严格增函数;
(2)已知
,且对任意
,当
时,有
,若当
时,函数
取得极值,求实数
的值;
(3)已知
,且对任意
,当
时,有
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08a58786946f71a4cca026b03209f077.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a75ad60c144a70f02452336fbfe706b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29b98756428d4570b72d0286cb2dc209.png)
(1)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1938c093dd2fbcb752d0eb7a18d143b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e105760638b22b26ff8bec4354255e4c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d71122e87403561adbcdac88945c481.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dffc6b2381466e8c5e9d63662d4e5c50.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e105760638b22b26ff8bec4354255e4c.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e2440f783ad81b8da348c4ce89c8149.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b161d1fa052b4b7b1d991da282b6bf84.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a75ad60c144a70f02452336fbfe706b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dffc6b2381466e8c5e9d63662d4e5c50.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(3)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/75965da655669b120d5f28c4247b7bce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e5223ece2f8f76850c49e2505304532.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a75ad60c144a70f02452336fbfe706b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31f08e4ae2ae9dfb90daf707cb5578c3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa7f9b35017daa8b524c5717a355834a.png)
您最近一年使用:0次
2023-04-12更新
|
1000次组卷
|
7卷引用:上海市青浦区2023届高三二模数学试题
上海市青浦区2023届高三二模数学试题(已下线)专题03 导数及其应用(已下线)专题02 函数及其应用(已下线)重难点04导数的应用六种解法(1)上海市北蔡中学2023-2024学年高二上学期12月月考数学试卷湖南省株洲市第二中学2023-2024学年高三下学期开学考试数学试卷(已下线)微考点2-5 新高考新试卷结构19题压轴题新定义导数试题分类汇编
名校
解题方法
8 . 已知函数
,其中
为自然对数的底数,
.
(1)当
时,函数
有极小值
,求
;
(2)证明:
恒成立;
(3)证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/599327f70d88aac08432d917d630a7a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/041a7c8fc017f596542c5e6ec7d1c40b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22dd8b3dc4c609bab82d356a5cc2208d.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ce6155e181e21ce56ea658b70f8af17.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/814f34f00fbf8549290784a9a2b8cba5.png)
(3)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3e40af26cdba7df72b91e3486df07d5.png)
您最近一年使用:0次
2023-02-03更新
|
2251次组卷
|
7卷引用:广东省河源市2022-2023学年高三上学期期末数学试题
广东省河源市2022-2023学年高三上学期期末数学试题广东省新高考2023届高三上学期期末数学试题天津市和平区2023届高三下学期一模数学试题浙江省绍兴市第一中学2023届高三下学期4月限时训练数学试题(已下线)河北省石家庄市2023届高三质量检测(一)数学试题变式题17-22广东省佛山市顺德区华侨中学2024届高三上学期8月月考数学试题(已下线)模块六 专题3 全真能力模拟1
9 . 已知函数
.
(1)若
求方程
的解集;
(2)若
有两个零点且有两个极值点,记两个极值点为
,
①求
的取值范围;
②证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad084d3bce1e2de2bf59a9a981fc9912.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8603ae7a8417d09605fa706e31d3dbe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86b92b70365c63607daecdc8deb73ecf.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ce7ae90d808f05e86ea063238e4b2f9.png)
①求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
②证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9694eaaa274ed8e3774a100aff5f101.png)
您最近一年使用:0次
解题方法
10 . 已知函数
在
处取得极值.
(1)求实数
的值;
(2)证明:对于任意的正整数
,不等式
成立.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/349655426cff1798761e5aec1539c023.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb45f673c56a289ea78831c9237e8d20.png)
(1)求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)证明:对于任意的正整数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67a89210cf3fda807166c5f03e9831b8.png)
您最近一年使用:0次