已知集合
,
.
(1)若
,求实数
的取值范围;
(2)若
时,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1354223090a57e1470a37975d0c5f059.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f8182307f4dfe72c41d06ab6cdec459.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2ad78dc8b8aed907b4fe9640c997454.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dea9a4259cca10c1f5af28e621ebafd6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
更新时间:2022-10-30 15:14:07
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/711b21672fd907c5c92fee1d649e7003.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
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