已知函数
,
.
(1)若函数
的图象在点
处的切线方程为
,求实数
的值;
(2)根据
的取值,讨论函数
的单调性.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa8d15bb03aed735504072b540ffe86c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dcd9218a657b17654c5d757a6f7dee9a.png)
(1)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c9f8845aa2b51c460f2d798c9f62fa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2a7df955fc17e92fd86302f8c34664a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)根据
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
更新时间:2023-03-25 21:34:48
|
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适中
(0.65)
【推荐1】已知函数
(
为自然对数的底数),曲线
在点
处的切线方程为
.
(1)求
的值;
(2)任意
时,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b077622696795cb97af580bd8dec76b3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/041a7c8fc017f596542c5e6ec7d1c40b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/527644f53abbcfd2e8457da020cb0262.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632244ea6931507f8656e1cc3437d392.png)
(2)任意
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e16014834857c7ad49afc420095b5239.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b11bfef4e9caf4c9c44f8bf839c6db1.png)
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解答题-证明题
|
适中
(0.65)
解题方法
【推荐2】已知函数
.
(1)若函数
在点
处的切线方程为
,求切点
的坐标.
(2)求证:
时,
;(其中
).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38eae9a31bdafb473b9afb3aff3d8241.png)
(1)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35a8cdff7f5bfa2a7c9a13d20126e0c8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08b9f0b9e53a83e68f5fec944f343119.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
(2)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b8d57271335d108a7ae66bd6df7091d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25d3253d60a58d25c41bf492807a5528.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66367f83e841caba04d29fceaa5cf4f7.png)
您最近一年使用:0次
解答题-问答题
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适中
(0.65)
【推荐1】已知函数
(
,且
)求函数
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89d43bacf9ce6166d7dc30463fa35b82.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c400a615a16a1662de98dfb4e49d58d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
您最近一年使用:0次
解答题-证明题
|
适中
(0.65)
【推荐2】已知函数
.
(1)讨论函数
的单调性;
(2)设函数
.
(ⅰ)求
的值;
(ⅱ)证明:存在实数
,使得曲线
关于直线
对称.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35dd621776dee688a0175a1abe39c258.png)
(1)讨论函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/75fd428ff2a8bdc70849d01cf619aa23.png)
(2)设函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a0a821d6c0dd7c6f34f1a060fd51ad0.png)
(ⅰ)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e071bea69bf2c954277c4e904dfee34.png)
(ⅱ)证明:存在实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1938c093dd2fbcb752d0eb7a18d143b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36d71f015144ffaf1faec94a259b4a06.png)
您最近一年使用:0次
解答题-问答题
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适中
(0.65)
【推荐3】已知函数
.
(1)求函数
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab6456f3ce801b64934952249a9e47ac.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4fd993f5821bd6c3be2dd0b0d3d4801.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次