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1 . 已知集合
.
(1)若
,求
;
(2)若
,求a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8498c9379276ef5fde84fb63ffe52a70.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b108ab31cc093f03cf48ad65429889e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3744e71abf4b43e128eabea9181b712.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04ceb1f338fa60976229d7ec6531b626.png)
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2023-07-04更新
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1311次组卷
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2卷引用:浙江省台州市温岭中学2023-2024学年高一上学期学生学科素养开学测试数学试题
10-11高三·浙江台州·阶段练习
解题方法
2 . 已知集合
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04951d9dc5f099604b33bb8f6515e873.png)
(I)当
时,求
;
(II)求使
的实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07dcef4a587c4cb4119f93843d291888.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04951d9dc5f099604b33bb8f6515e873.png)
(I)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
(II)求使
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/caf22d7d1a965bda25168a233fb6290c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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