已知函数
.
(1)求曲线
在点
处的切线方程;
(2)证明:
是其定义域上的增函数;
(3)若
,其中
且
,求实数
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/55b630638ecc06e7d6ace39fb3d0133e.png)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5828873f8369183faf71181cda5b61d2.png)
(2)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abe7293b41466a63e85fca5b4c45f2f3.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/0a6936d370d6a238a608ca56f87198de.png)
更新时间:2024-03-06 17:27:03
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18d640770e153958e62ece2d94cff7d0.png)
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【推荐1】已知函数
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(1)当
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(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66f0ca536621ec8db02707ba65917029.png)
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(2)若不等式
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【推荐2】已知函数
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