名校
解题方法
1 . 已知函数
,
.
(1)若
,证明:
;
(2)若函数
最大值为
,求实数a的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a3a8c8122cc4a2163760e7c5edfbba3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66692ec49a458f9e48c7315d03dfc37b.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7750f900b4ba09ad4680d39481dc5ea9.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3901dfd4995fe91bcd1ccc26b5cdfa2b.png)
您最近一年使用:0次
22-23高二下·全国·课后作业
2 . 已知函数
.
(1)讨论函数
的单调性;
(2)若关于
的方程
有
个不等实根
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6742d703741172e98e2c621f580b63f9.png)
(1)讨论函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/976d18a5396ba232f0aa38d136f1d749.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ca7d1107389675d32b56ec097464c14.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05b8ec9d4206ea66a02de5c4a1e1e911.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e49909f4435d16286a2fe1bd580b0d1.png)
您最近一年使用:0次
名校
3 . 设函数
,其中
为自然对数的底数.
(1)当
时,讨论函数
在
上的单调性;
(2)当
时,求证:对任意
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c0b6ffc19f1678f3cd5a1a2687f3e8f1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/041a7c8fc017f596542c5e6ec7d1c40b.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e445f608e4a7d8535b100c0199a8ecf4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/009935dae2483304749bfa46ceb6eecc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d01dc2d99655cf7598837cb0886166ed.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2143a6cfd3526c4f5795328baa51b0b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/563ed1ebb56e33b5c387f3666be28fa9.png)
您最近一年使用:0次
2023-01-01更新
|
599次组卷
|
3卷引用:江苏省淮安市郑梁梅高级中学2023届高三二模数学试题
解题方法
4 . 已知函数
,
.
(1)证明:
有且仅有一个极小值点
,且
;
(2)若对任意
,
恒成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d42cd5920c27db7257886fece226833b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4031b540afcd3061f431b735a3c62bb6.png)
(1)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b91a0a580b2483bcd16f916611f81c3.png)
(2)若对任意
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e0656eee2d8ee838aacfda24a00ad69.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
名校
5 . 已知函数
,
.
(1)讨论
的单调性;
(2)若
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b199e51d90801d7a7047594c56d993c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22dd8b3dc4c609bab82d356a5cc2208d.png)
(1)讨论
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ecf9befc3b336d83b83bcfcbc19c0752.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0667c189681745175ec7646297fd603.png)
您最近一年使用:0次
2022-03-04更新
|
2251次组卷
|
8卷引用:江苏省淮安市盱眙中学2023届高三下学期模拟训练八数学试题
江苏省淮安市盱眙中学2023届高三下学期模拟训练八数学试题2022年高三数学新高考测评卷(猜题卷六)江苏省无锡市江阴市第二中学2023届高三下学期5月模拟数学试题重庆市第八中学2022届高三下学期调研检测(六)数学试题(已下线)专题07 导数的应用-2022届高考数学一模试题分类汇编(新高考卷)浙江省杭州市西湖高级中学2021-2022学年高二下学期期中考试数学试题重庆市第八中学2021-2022学年高二下学期第二次月考数学试题(已下线)考点06 导数及其应用-4-(核心考点讲与练)-2023年高考数学一轮复习核心考点讲与练(新高考专用)
解题方法
6 . 已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/488418e60d1f5dfc42043c53f8ef4a5e.png)
(1)求
的最大值;
(2)当
时,证明:
;
(3)证明:
.
(参考数据:自然对数的底数
)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/488418e60d1f5dfc42043c53f8ef4a5e.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70be4f6136b0b0d4ba1a4a810d511cb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7fe15555c21773fbd8028f48d250054a.png)
(3)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/858355f3aee40e3a15087ed980b10d65.png)
(参考数据:自然对数的底数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31e3ce576f0766f29349db973fc22eb8.png)
您最近一年使用:0次
2020-07-24更新
|
411次组卷
|
2卷引用:江苏省淮安市2021届高三下学期5月模拟数学试题
解题方法
7 . 已知函数
.
(1)若曲线
在
处的切线与直线
平行,求实数
的值;
(2)若函数
有两个极值点
,
,且
.
①求实数
的取值范围;
②求证:
.(参考数据:
)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf6a2c0b6e5e8f76a466155b1f4682e8.png)
(1)若曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5bea9227dd0104da58e0c40952cc87ed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f42457c945c02fd46fb018712e73171.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aec19b68e3add9d5bfcc6269a1855b87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26d8dafc71b106f39f4e15442220897b.png)
①求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
②求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c87990e01890e66a5b4f53c846538b49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe8830dd6909146c867a27439e0a4afc.png)
您最近一年使用:0次