已知集合
,
..
(1)当
时,求
,
;
(2)当
时,求
,
;
(3)当
时,求a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc789c689481285d6dbeded05557d8b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e578e8380f226dedf836d59b189327a.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b108ab31cc093f03cf48ad65429889e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c81919684bc4047d376c7e57dc6c8f1c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83ae18508906c21d3e1199f231b1a9a4.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa4c355f11471a38f5583a434a1ddeb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c81919684bc4047d376c7e57dc6c8f1c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83ae18508906c21d3e1199f231b1a9a4.png)
(3)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4815b1d16a7ae485ff0bba0b397e893.png)
更新时间:2023-01-05 14:41:52
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