已知函数
,
.
(1)若函数
的图象与直线
相切,求实数
的值;
(2)设函数
在区间
内有两个极值点
.
(ⅰ)求实数
的取值范围;
(ⅱ)若
恒成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af636b59b07acdea3f32c324cd9f0068.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb2dead8f5aa98f35cd681ea18e5eea6.png)
(1)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08b9f0b9e53a83e68f5fec944f343119.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)设函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7863b54185da5a3f1a765e1aa0577e76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2e88ebfb5c0d6cce558b515be06404d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aca579894dad67bc82cb715fd48e0d70.png)
(ⅰ)求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(ⅱ)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/048e3fa4318163c9980ad5b25985fead.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
更新时间:2020-04-24 07:23:31
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【推荐1】已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/904507b258ade871020b932f4a25f3ca.png)
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