名校
1 . 已知
,
,
是关于x的方程
的三个不同的根,且
.
(1)求a的取值范围;
(2)证明:
.
![](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/87d1031ed0ad1f362f0fca05e4761034.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1310a7a80d1f8751a3f8cafe7f8c8b4.png)
(1)求a的取值范围;
(2)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fafcbd8c4efe661449b82f4ccdc6f70c.png)
您最近一年使用:0次
2023-12-29更新
|
467次组卷
|
5卷引用:辽宁省朝阳市部分学校2024届高三上学期12月考试数学试题
解题方法
2 . 已知函数
.
(1)若函数
在定义域内不单调,求实数
的取值范围;
(2)若函数
在区间
内单调递增,求实数
的取值范围;
(3)若
、
,且
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4843f1dcea336f53472bcbde15837f4d.png)
(1)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.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/caf87d9d48c3de0a5e9f1a70e51a0bef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad8757d513d9ad1f3ced929a18a976b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26d8dafc71b106f39f4e15442220897b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7859295d53096508e5bad78c445e4f9.png)
您最近一年使用:0次
名校
解题方法
3 . 设函数
.
(1)若
最小值为0,求
的范围;
(2)在(1)的条件下,令
的图象上有一点列
,若直线
的斜率为
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ecf5f4b9f7687e6fe8e20edef6cef4b.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)在(1)的条件下,令
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fc7c41fdade7b1756ebd8f637e8b092.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b6074ab26754faa225b4a5508a16ab0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/425f3ce645095842006c80a509268f85.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/488e9eb082f829bebb465ee78a27d0bd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1de2de8de769c56e9e49751596a1ac74.png)
您最近一年使用:0次
解题方法
4 . 已知
,
是函数
的两个零点,且
.
(1)求实数
的取值范围;
(2)证明:
.
![](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/49a526613f779d5a1b991beb38cdafd7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26d8dafc71b106f39f4e15442220897b.png)
(1)求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80a337fc0833e59367a8cc131ecd7caa.png)
您最近一年使用:0次
解题方法
5 . 已知函数
.
(1)若对
时,
,求正实数
的最大值;
(2)证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdfd509af00960319b088b20d3d4189a.png)
(1)若对
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b705b0958495774d529c2e2a6c3ae94.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e9c599e8d420006448905acec2b8234.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/477b45c90cd1fd5bd772d5b93e1c7508.png)
您最近一年使用:0次
名校
6 . 已知函数
,
.
(1)求
的单调区间;
(2)证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2bc1e1eda1e062dc9c898622072f0495.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1610bcd07b02c4ed7184ad586b88f373.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/375d897a1f137d6c6704d24f9b4b0948.png)
您最近一年使用:0次
2023-11-15更新
|
385次组卷
|
5卷引用:辽宁省铁岭市一般高中协作校2023-2024学年高三上学期期中考试数学试题
7 . 设函数
.
(1)求
的单调区间;
(2)若正数
,
满足
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21dbf8ae932ea38036906f0836af9e0d.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若正数
![](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/dc53466518e9a8c577b12a3c304de6f3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7041f803a6274be117c2fa5ede0a0d02.png)
您最近一年使用:0次
名校
8 . 已知![](https://staticzujuan.xkw.com/quesimg/Upload/formula/455737c14aa0d487847d78c785c17a46.png)
(1)若
有两个零点,求
的取值范围;
(2)若方程
有两个实根
、
,且
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/455737c14aa0d487847d78c785c17a46.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a813b5adbf5c7082561237894ba6d599.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)若方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed15647423ebaba1f4d9373b46172e12.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/684bcf84f0a266515bfafde0da903050.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ab79778de8353f2b37f13b8e8af1f10.png)
您最近一年使用:0次
2023-11-11更新
|
621次组卷
|
4卷引用:辽宁省北镇市第二高级中学、第三高级中学2024届高三上学期第四次月考数学试题
名校
解题方法
9 . 已知函数
.
(1)若
对任意的
恒成立,求t的取值范围;
(2)设
且
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4a570f4d94afa695d32548dda63a0e8.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91011caeec60187fe2fc4e66310dd56d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/047056c99b39c70fa40d3c8178e5b631.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/930bc56406e69b785b37a83d48e36724.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0704f453b2de48d36911f7db496bbf82.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2514db2de125390f82b1604143d0827c.png)
您最近一年使用:0次
2023-11-10更新
|
587次组卷
|
2卷引用:辽宁省大连市金州高级中学2023-2024学年高三上学期期中考试数学试题
名校
10 . 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