1 . 已知全集
,集合
,
.
(1)若
,求实数a的取值范围;
(2)若
,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a64dc61989ca50b9ee19d835c4ed268.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d2cb2728bd56c76caf8ba5e0fbd22ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5df1050a9ed91dea4615070df4d3ddc.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b85a9d71f138c28357819835b3bde49.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa35b9563a00488f250546d80e78b85a.png)
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2022-08-30更新
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2卷引用:江西省2022-2023学年高一上学期阶段诊断试卷(一)数学试题