1 . 已知函数
.
(1)讨论函数
的单调性;
(2)若函数
有两个极值点
,
,且
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e2f8cde9c1aa755578655ff0bcd2ff6.png)
(1)讨论函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.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)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a9838edb180417d941027dc6c0bd85d.png)
您最近一年使用:0次
名校
解题方法
2 . 已如函数
.
(1)当
时,求函数
的单调区间;
(2)当
时,求证:函数
存在极小值点
,且
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7de402fe839aa53c7f29ea4b55fd1a7.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.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/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/540faf57028f84450849091b2d758905.png)
您最近一年使用:0次
2023-04-19更新
|
866次组卷
|
4卷引用:辽宁省沈阳市郊联体2022-2023学年高二下学期期中数学试题
辽宁省沈阳市郊联体2022-2023学年高二下学期期中数学试题辽宁省大连市第十二中学2023-2024学年高二下学期6月份学情反馈数学试卷江苏省苏州市2022-2023学年高二下学期期中数学试题(已下线)模块四 期中重组卷3(江苏苏锡常镇)(苏教版)(高二)
名校
解题方法
3 . 已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdf645c696ce3d7f2359a26834207a8b.png)
(1)当
,且
时,证明:
;
(2)是否存在实数a,使函数
在
上单调递增?若存在,求出a的取值范围;不存在,说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdf645c696ce3d7f2359a26834207a8b.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b108ab31cc093f03cf48ad65429889e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec394192e78c9756068b16fa03e7a28d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb8d996099822eca0f217afbd8e52d61.png)
(2)是否存在实数a,使函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00210f79b04a8f6bc1922433d00bc89a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d562dc22dfb3b81d0c3f88b54d063c2f.png)
您最近一年使用:0次
2023-04-18更新
|
531次组卷
|
2卷引用:辽宁省鞍山市第一中学2022-2023学年高二下学期期中考试数学试题
名校
4 . 已知函数
.
(1)讨论函数
的单调性;
(2)若函数
有两个零点
,
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60286c6aa43607155a82579cc563b019.png)
(1)讨论函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.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/9161ccc762d52eb0afab8ba36f849039.png)
您最近一年使用:0次
解题方法
5 . 已知函数
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb48434bdcafb5e084fc0b6396cb9469.png)
(1)证明:
;
(2)若
恒成立,求
的取值范围;
(3)设
,证明:函数
存在唯一的极大值点
,且
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ad26994d2c8a65645fd7323c11b8cd5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb48434bdcafb5e084fc0b6396cb9469.png)
(1)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85187c85826beeca12137805293fff77.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b7efeb56b59b41e0d812cbef18d41cca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
(3)设
![](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/79b752f0f189e5d8666daea73e145dff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb482aa5e8d535919785d3e3e1f2d7f6.png)
您最近一年使用:0次
解题方法
6 . 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
7 . 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
|
1159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(已下线)专题19 导数综合-1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12 帕德逼近与不等式证明【练】
名校
8 . 已知函数
,
.
(1)若不等式
恒成立,求a的取值范围;
(2)若
时,存在4个不同实数
满足
.证明:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7525c9480d4b7ac129996dbd7b1cb7cb.png)
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9699d5af88ccdcccc1fd0cdce6018ad.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca4a18c09f0055baa3e0abcbc75a84ed.png)
(1)若不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa939782348f031b9aba60c05fb13187.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8ccd22fd0ca1a8e1468329284f91b6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/908bfb759e6375da922bbb1d1a028ea1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7525c9480d4b7ac129996dbd7b1cb7cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/377df1441214a18e60de35e5df609cfe.png)
您最近一年使用:0次
2023-05-25更新
|
402次组卷
|
2卷引用:辽宁省铁岭市昌图县第一高级中学2022-2023学年高二下学期6月月考数学试题
名校
解题方法
9 . 已知函数
,且
.
(1)求实数
的取值范围;
(2)设
为整数,且对任意正整数
,不等式
恒成立,求
的最小值;
(3)证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0097e221a2fd7333fb0d47e86546ba61.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e9c599e8d420006448905acec2b8234.png)
(1)求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c2b790c0ffe766b815ea769920bf5b6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
(3)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ac9ea10cc95de77e1a0ad091359e590.png)
您最近一年使用:0次
2023-05-14更新
|
647次组卷
|
4卷引用:辽宁省六校2023-2024学年高三上学期期初考试数学试题
名校
10 . 已知函数
.
(1)讨论函数
的单调性:
(2)若
是方程
的两不等实根,求证:
(i)
;
(ii)
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5740683db4908b89394282ad7bc4e1af.png)
(1)讨论函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ce7ae90d808f05e86ea063238e4b2f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3047d4ab078dafc06c047bcbf0a6ffaf.png)
(i)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dff7839fb4899e2437fcf93b95c7216c.png)
(ii)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e041a0b92bafa0ab8ee937c2f9e1ccd.png)
您最近一年使用:0次
2023-04-13更新
|
2029次组卷
|
4卷引用:辽宁省沈阳市东北育才学校高中部2023-2024学年高三第六次模拟考试暨假期质量测试数学试题
辽宁省沈阳市东北育才学校高中部2023-2024学年高三第六次模拟考试暨假期质量测试数学试题浙江省宁波市2023届高三下学期4月模拟(二模)数学试题(已下线)专题06 函数与导数(已下线)押新高考第22题 导数综合解答题