名校
解题方法
1 . 已知函数
.(
为实数)
(1)当
时,若正实数
满足
,证明:
.
(2)当
时,设
,若
恒成立,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a67b6d4c78ed45ea2e5ebe7bea653e08.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632244ea6931507f8656e1cc3437d392.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e76fa77d1b0bc4c1af9c8c41bf0dabe2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ce7ae90d808f05e86ea063238e4b2f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/584eac65ed48d878314dc04ded0b319b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63f78ae07b1452e4f9dd8ba93db61d17.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b4d795709b0abcf47bceec2250f2f9b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5946a5842575e117663fbbc58e2c79fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85187c85826beeca12137805293fff77.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
您最近一年使用:0次
2023-03-25更新
|
1027次组卷
|
2卷引用:辽宁省协作校2023届高三下学期第一次模拟考试数学试题
2 . 已知函数
,
.
(1)
,
,求
的最小值;
(2)设![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92e4ee544faff9e49a41d9b69827501b.png)
①证明:
;
②若方程
有两个不同的实数解
,
证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64263fe2ca48e694c87496d61e63fb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d23c80f11dcb3f7537c88cbd76a1267.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f042768ad824aad2aed73a44193856c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bce2594833690eedb3328fe747feb3a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0eb7df298a9364b36e079a61caec815c.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92e4ee544faff9e49a41d9b69827501b.png)
①证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3799b7e05fda170b8f661643a1685bbc.png)
②若方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32051bf94998f88eecff75846cc750b0.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/901a1ca166c6ddf5ae7a7cb7d66431b0.png)
您最近一年使用:0次
3 . 已知函数
.
(1)若
在
上单调递增,求实数
的取值范围.
(2)已知方程
有两个不相等的实数根
,且
.
①求
的取值范围;
②若
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e058fc816e9935f358b1cb90433875d.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d562dc22dfb3b81d0c3f88b54d063c2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)已知方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29e44284cb19805a584880a686ac3df9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ce7ae90d808f05e86ea063238e4b2f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26d8dafc71b106f39f4e15442220897b.png)
①求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
②若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/192bebeaecf1729c55efad6e749a04e4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ae0a96799a6ffd8d340951b9db8da6d.png)
您最近一年使用:0次
名校
4 . 已知函数
.
(1)求函数
的单调区间;
(2)若函数
的图象在点
处的切线的倾斜角为45°,对于任意的
,函数
在区间
上总不是单调函数,求m的取值范围;
(3)求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f255294308e7a0d0a7ec34d4ad8bada8.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ea9824af71c9da5db5a00ec06063024.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3fad48c242b2320092f2071921696bad.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5993db9f7190d062b6179469238fa361.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18aabb8ceae669d13744989955a47497.png)
(3)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1bb9c2b137e7e071dfa9ae8aad6f7458.png)
您最近一年使用:0次
2023-01-04更新
|
360次组卷
|
3卷引用:辽宁省沈阳市东北育才学校2015-2016学年高三上学期第三次模拟数学试题(文科)
5 . 已知函数
.
(1)若
,求
的图象在
处的切线方程;
(2)若
有两个极值点
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb41724d9a030cc2694a58dee5387494.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd876a2ed79c64bacc3e64b8ee92735e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ce7ae90d808f05e86ea063238e4b2f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b725fdc8de9800f2692f6fea8585b1e9.png)
您最近一年使用:0次
2023-07-07更新
|
447次组卷
|
5卷引用:辽宁省辽阳市2022-2023学年高二下学期期末考试数学试题
名校
解题方法
6 . 已知函数
.
(1)求
的单调区间;
(2)若
,且
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4cc1b193aa193153eb402df8560778e6.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26d8dafc71b106f39f4e15442220897b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ecb4095bd18e708a182db1cc694e55b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31aa19c60f49823139869c42cb3ab15a.png)
您最近一年使用:0次
2023-06-06更新
|
814次组卷
|
3卷引用:辽宁省沈阳市第二中学2023届高三下学期第六次模拟考试数学试题
名校
解题方法
7 . 已知函数
.
(1)若
在
上恒成立,求实数a的取值范围;
(2)证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e418592375eba26322c5d91efe67c45.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff7d632e9ddb7d9857b073978f8314ec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44d51992c05a557cf6058664f1f8961e.png)
(2)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/918ed3eaad034ec332cf74ce77106d5a.png)
您最近一年使用:0次
2023-03-11更新
|
1314次组卷
|
5卷引用:辽宁省沈阳市浑南区东北育才学校科学高中部2023-2024学年高三上学期高考适应性测试(一)数学试题
辽宁省沈阳市浑南区东北育才学校科学高中部2023-2024学年高三上学期高考适应性测试(一)数学试题重庆市第八中学2023届高三适应性月考(六)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黑龙江省哈尔滨市第九中学校2023-2024学年高三上学期10月月考数学试题(已下线)专题19 导数综合-2
解题方法
8 . 已知函数
.
(1)讨论
的单调性;
(2)设函数
,P,Q是曲线
上的不同两点,直线
的斜率为
,曲线
在点处P,Q切线的斜率分别为
,
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e075d11d43923c87d454970e2d8196c7.png)
(1)讨论
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)设函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d42954dde2afc93483eff1709acf0b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1938c093dd2fbcb752d0eb7a18d143b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5f1641947153c80b987320885a2b57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1938c093dd2fbcb752d0eb7a18d143b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6defc43285a40f7ccb74c1cc04265eba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/423b7ae39db552e60ee8b1d27312306f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c4ca086fca586da964c007788de45cc.png)
您最近一年使用:0次
名校
解题方法
9 . 已知函数
.
(1)讨论函数
的单调性;
(2)若
有两个零点
,
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc64ef255eed148ba560aa5a4e5d0f1e.png)
(1)讨论函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.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/c801868ef4a727c52973e3435ebe7186.png)
您最近一年使用:0次
2023-03-23更新
|
727次组卷
|
4卷引用:辽宁省凌源市2022-2023学年高三下学期开学抽测数学试题
名校
10 . 已知函数
,
.
(1)求
在
处的切线方程;
(2)判断函数
在区间
上零点的个数,并证明;
(3)函数
在区间
上的极值点从小到大分别为
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fbbdd006d6c6aa4c00282f564718a03a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/063fae1ac0d76584d4caf4a9c727a5b7.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1c1472000e0565b237baade33bf5a18.png)
(2)判断函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad14579830d0293b1390911cb603eb02.png)
(3)函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad14579830d0293b1390911cb603eb02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ce7ae90d808f05e86ea063238e4b2f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/147f89995c5aa07ce7f797c308c9c7d2.png)
您最近一年使用:0次
2023-02-21更新
|
1212次组卷
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4卷引用:辽宁省鞍山市第一中学2024届高三第二次模拟考试数学试题
辽宁省鞍山市第一中学2024届高三第二次模拟考试数学试题北京市陈经纶中学2023届高三下学期综合练习一(开学考试)数学试题(已下线)第九章 导数与三角函数的联袂 专题四 利用导数证明含三角函数的不等式 微点3 利用导数证明含三角函数的不等式(三)天津市滨海新区塘沽第一中学2024届高三上学期第二次月考(期中)数学试题