已知全集
,集合
,
.
(1)求
;
(2)设集合
,若
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc0dc8098ad6f31bdd87771ca9cfa33a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a97ad85900d0f9fb0d97ac828877db28.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91629d0b2b30b5178183b3ded6556ac0.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3744e71abf4b43e128eabea9181b712.png)
(2)设集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84596819d50d64fecab86cd9a29d0b04.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53d9f4e2b8c09e46e0b781fc73fcd7ec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
更新时间:2023-03-02 23:37:28
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【推荐1】已知集合
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(1)当
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(2)若
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【推荐2】设
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e26b38e357c7d985656ba7bb3c794a5.png)
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【推荐1】已知全集为R,集合![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f3dc0527ac90c00dcf8e233491110dc8.png)
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【推荐2】已知集合![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00e8127ced991aae387086f8c01ea4f1.png)
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