已知
为实数集,集合
,
,
.
(1)求
,
;
(2)若
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a43b2faa4f81f32d94612dce724e772b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2db7d50ffecd893c6d4c3826b13540e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e333a15148253a285fd5c162998aea09.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21cccacb16960179b757c3905ba28ca2.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3744e71abf4b43e128eabea9181b712.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b569bd1df594e70666e9f6ea3d851a4.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bafb511452fb3b93485fe41c73810efd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
更新时间:2021-11-23 15:12:29
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1aee3bbc2978cebb4f95493e4dced9e7.png)
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