1 . 已知函数
,且曲线
在
处的切线为
.
(1)求m,n的值和
的单调区间;
(2)若
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c2d3fab8e29dcf59d458c1e8bcd465c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb45f673c56a289ea78831c9237e8d20.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1d0aa9412dd7caf42cc71520e282328.png)
(1)求m,n的值和
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/969e0ea877612922fe8b9d36ff188d38.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b7ec808ad60dbf016632ec816eaca1df.png)
您最近一年使用:0次
2023-01-04更新
|
759次组卷
|
4卷引用:辽宁省辽阳市2022-2023学年高三上学期期末数学试题
名校
解题方法
2 . 已知函数
.
(1)若直线
与
的图像相切,且切点的横坐标为1,求实数m和b的值;
(2)若函数
在
上存在两个极值点
,且
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/551ac80321f1a8a441e34fc606eb3c2b.png)
(1)若直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07565f10847840e0fb07b05218ad17fa.png)
![](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/870ebc2f7aabb028024894568d749934.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/e5e3090a098e891e1883168719f7ad05.png)
您最近一年使用:0次
2022-05-05更新
|
1202次组卷
|
2卷引用:辽宁省辽南协作体2021-2022学年高三下学期第二次模拟考试数学试题
3 . 设函数
.
(1)设
是
的极值点,求
,并讨论
的单调性;
(2)若
,证明:在区间
内,
存在唯一的极小值点
,且
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c35c7e4144f417a28adea4d80fb45bc.png)
(1)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/368e657d8ad0fd9b14b21db3f7369a7c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5f436566ce8c86fda35b85bd3c26683.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/2367b48e8f6dbbfe3dd14f6eab8238a5.png)
您最近一年使用:0次
2020-06-16更新
|
592次组卷
|
3卷引用:辽宁省丹东市2020届高三下学期总复习质量测试(二)数学(理)试题
4 . 已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c08f414432fe218e5138627a4dab2df.png)
若
在
处取得极值,求函数的单调区间
若
是函数
的两个极值点,且
,求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c08f414432fe218e5138627a4dab2df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9bf6c84731e5e1bd335ecfc2d36c3d81.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5fac9575a5985527e283f7295fdaf72c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f53190d6ead827a6338b9de847aeaf1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/280860dd039e1305a5ccc455f63e8223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb7961cbe98aac6a5fdee94582c341b4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90e1301dc8dbb7ec6d350939eafcb8e5.png)
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