名校
解题方法
1 . 已知函数
,
.
(1)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/faec57d83ab4737e24429083a9ea2ebb.png)
______ .
(2)若方程
有4个实数根,则实数
的取值范围是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3886c975373ab74155b5b9cf16049ac1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dbc6742da98d1abee9b8b980c321a544.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/faec57d83ab4737e24429083a9ea2ebb.png)
(2)若方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2ec931a3d82ac61106c1d019ecae66a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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2021-11-19更新
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700次组卷
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3卷引用:北京市育英中学2021-2022学年高一上学期期中考试数学试题