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1 . 当
时,函数
(
)有极值
,
(1)求函数
的解析式;
(2)若关于
的方程
有3个解,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/707ea658f3a9359f5740d5aab48f7948.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad12cf0da11386a6e24c9f174db4f829.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dea2bd8eb0da213f75c06647f2377993.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a69a051e62c940633406ae40ccf1448.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad12cf0da11386a6e24c9f174db4f829.png)
(2)若关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce90064385c4633056784c1ae375a2d5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
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2022-04-22更新
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520次组卷
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5卷引用:海南省洋浦中学2022-2023学年高二下学期期中数学试题