名校
解题方法
1 . 已知函数
.
(1)当
时,求函数
在区间
上的最大值;
(2)若
为函数
的极值点,求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a32017ba8a1d4613cfd9ec6d030d016.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7754cc9374c8193dadb6875fb8a3fefb.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3cd4a25c61167cd73dd176d2c39b4b84.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e07238e4e1f21841ecc5a8daaf3b5ade.png)
您最近一年使用:0次
2023-09-23更新
|
542次组卷
|
3卷引用:辽宁省重点高中沈阳市郊联体2024届高三上学期期中数学试题
辽宁省重点高中沈阳市郊联体2024届高三上学期期中数学试题四川省江油中学2023-2024学年高三上学期9月月考数学(理)试题(已下线)第六章 导数与不等式恒成立问题 专题一 两类重要不等式 微点3 两类重要不等式综合训练
名校
解题方法
2 . 已知函数
,
.
(1)若函数
(其中:
为
的导数)有两个极值点,求实数a的取值范围;
(2)当
时,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8bad889fec9bf544f9b3284fe15bc7d5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f5bb89c3ad435f1ef59307b174105ed.png)
(1)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b4ead4ab1ee2f9b8787c5992a6f21cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/724340d69477c0ec2418c392b22b1cab.png)
![](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/214902bcfb79bae525436b0a632dee87.png)
您最近一年使用:0次
解题方法
3 . 已知函数
.
(1)若
,讨论函数
的单调性和极值情况;
(2)若
,求证:当
时,
;
(3)若
,求证:当
时,
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53b3de8a032a7081161352b34ee7bc59.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/933436a516df078f4c4250d698310c13.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6e2e79843faf62dde86bf858d1e0569.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c73a98c1b3504e09bfbe0db849b0d24.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5a81a39630f05d9a470c1f4b3c5e524.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6e2e79843faf62dde86bf858d1e0569.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e9c599e8d420006448905acec2b8234.png)
您最近一年使用:0次
名校
4 . 已知函数
.
(1)讨论
的单调性;
(2)设
,若
,
是
的两个极值点,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b450287f8fa1f4687f3efc3fd7444e2e.png)
(1)讨论
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c4fa78856909db6d9e7c43078bcc7ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c4588a79e160bca3711b1151a52f26b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd330acca8e17f5ff9aca1f0f312df50.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd1b9f152654fd42b112adb81a5879bc.png)
您最近一年使用:0次
2023-11-09更新
|
617次组卷
|
5卷引用:辽宁省县级重点高中协作体2023-2024学年高三上学期11月期中考试数学试题
解题方法
5 . 已知函数
, 且
.
(1)求a;
(2)证明:
存在唯一的极大值点
,且
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15daa5c631037d25842e4177f1fa1bf5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22e38c541dec8fce1d26886e5ef7d21f.png)
(1)求a;
(2)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/4fe043d52b8e5898dc5e67ac6a92638a.png)
您最近一年使用:0次
名校
解题方法
6 . 已知定义域均为
的两个函数
,
.
(1)若函数
,且
在
处的切线与
轴平行,求
的值;
(2)若函数
,讨论函数
的单调性和极值;
(3)设
,
是两个不相等的正数,且
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/428d922e63d8a0838da6fdacee919ccd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2adbf5920ef591644eaa616ccac1e9c3.png)
(1)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/974afe1dbd93c458e63daa7564a462ad.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef00713e73b8357cc7900144f5505bc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1a94ad3ba506860f8491ae7d7d67e8b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b426608a06477f57cb994f4d00e4465d.png)
(3)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0644fb6750e5c61c2d334b1b0094cbe5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e8f67fafa098c0e1b1c9394859d4cd0.png)
您最近一年使用:0次
2023-05-21更新
|
1124次组卷
|
5卷引用:辽宁省六校协作体2022-2023学年高二下学期6月联合考试数学试题
辽宁省六校协作体2022-2023学年高二下学期6月联合考试数学试题天津市滨海新区2023届高三三模数学试题天津市北师大静海附属学校2024届高三上学期第三次月考数学试题(已下线)专题19 导数综合-1(已下线)专题12 帕德逼近与不等式证明【练】
名校
解题方法
7 . 已知函数
.
(1)当
时,
,求
的取值范围;
(2)函数
有两个不同的极值点
(其中
),证明:
;
(3)求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6268f2fe0dc41d2f6f9931e465ef4cab.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/636289ad84b4a3a51095dd32ca201f94.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e9c599e8d420006448905acec2b8234.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
(2)函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5e895d73fc0b144b0245e730c397391.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ce7ae90d808f05e86ea063238e4b2f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26d8dafc71b106f39f4e15442220897b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bef92ee798393ea59d0d9a73a8272809.png)
(3)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b02c07f3b1fd2ce2218985bacdd0b86.png)
您最近一年使用:0次
2023-02-12更新
|
1021次组卷
|
5卷引用:辽宁省大连市第八中学2022-2023学年高二下学期6月月考数学试题
辽宁省大连市第八中学2022-2023学年高二下学期6月月考数学试题浙江省绍兴市上虞区2022-2023学年高三上学期期末数学试题(已下线)拓展五:利用导数证明不等式的9种方法总结-【帮课堂】2022-2023学年高二数学同步精品讲义(人教A版2019选择性必修第二册)吉林省长春市十一高中2022-2023学年高二下学期第二学程考试数学试题(已下线)模块一 专题5 利用导数证明不等式问题
8 . 已知函数
.
(1)求
的单调区间和最值;
(2)已知函数
,若
在区间
内有两个极值点
,
.
(ⅰ)求实数a的取值范围;
(ⅱ)从下面两个不等式中任选一个进行证明.
①
;
②
.
注:如果选择多个条件分别解答,按第一个解答计分.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20f832421dcfb1ec8311931210a83931.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)已知函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27e241cef07a61a4aae88c6d11c478e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d562dc22dfb3b81d0c3f88b54d063c2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aec19b68e3add9d5bfcc6269a1855b87.png)
(ⅰ)求实数a的取值范围;
(ⅱ)从下面两个不等式中任选一个进行证明.
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3a0b39ed179340810fea23d244406ce.png)
②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c98c62767b8ed71a6e0209a3652429cc.png)
注:如果选择多个条件分别解答,按第一个解答计分.
您最近一年使用:0次
名校
解题方法
9 . 已知
,
,函数
和
的图像共有三个不同的交点,且
有极大值1.
(1)求a的值以及b的取值范围;
(2)若曲线
与
的交点的横坐标分别记为
,
,
,且
.证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19339e3904e9541ff26b30ae5f1242b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39db4885a3de07c0c77b68a7ae2284e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f5e31e2e849031f04a645704837266d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(1)求a的值以及b的取值范围;
(2)若曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1938c093dd2fbcb752d0eb7a18d143b2.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/291c25fc6a69d6d0ccfb8d839b9b4462.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1310a7a80d1f8751a3f8cafe7f8c8b4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0683e38023f949a0d93d43469d54001.png)
您最近一年使用:0次
10 . 已知函数
.
(1)若
,求
的极值;
(2)若
是
的两个零点,且
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec94a777e5f62833727151ea6bb21424.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f22fec5a381ae8aca93d876e54c79de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ce7ae90d808f05e86ea063238e4b2f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2210f152080d9a68a97c805f5c1cde96.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a19a80063c7bcb52362a94bf389e1b99.png)
您最近一年使用:0次
2023-03-11更新
|
1177次组卷
|
8卷引用:辽宁省锦州市黑山县黑山中学2023届高三一模数学试题