解题方法
1 . 已知集合
.若
,则
的最大值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e46ff6e6d742cafb473d89aba695509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2ad78dc8b8aed907b4fe9640c997454.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.2 | B.0 | C.![]() | D.-2 |
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4卷引用:北京市海淀区2023-2024学年高三下学期期末练习(二模)数学试题
北京市海淀区2023-2024学年高三下学期期末练习(二模)数学试题甘肃省兰州市第五十八中学2024届高三第二次高考仿真考试数学试题(已下线)【讲-提升版】1.1集合(高三一轮)(已下线)【讲-提升版】1.1集合(高三一轮)1
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解题方法
2 . 设集合
,
;
(1)当
时,求
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3744e71abf4b43e128eabea9181b712.png)
(2)若
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82c4aa84374a43096db580ae91996b13.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e148bfb5d5d13ece18041854146c8d9f.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa4c355f11471a38f5583a434a1ddeb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3744e71abf4b43e128eabea9181b712.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/caf22d7d1a965bda25168a233fb6290c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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2024-01-12更新
|
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