名校
解题方法
1 . 已知
.
(1)若
,求
的取值范围;
(2)若
,不等式
恒成立,求实数
的取值范围
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d39a4598937617597940b6efa14aedbc.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98ec7ef12927ef4e2d8f6721a0ae6b15.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/858fa4d468b0daaa5fcf922f9d0182dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ee8a9cdb67755331d5aff8097e150b6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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2021-12-29更新
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3卷引用:山西省朔州市怀仁市大地学校2021-2022学年高一上学期12月月考数学试题