已知
,
,
,
.
(1)求
.
(2)如果
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dada45a9eb3632daccec067bf65f8162.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aafebbde12ac05f77ff679de6de4ba58.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83851117a78bba13b5b10cd70f6beffa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/860ebb6f76cd3cb9a265dfc233002a13.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fedf1176ff497d9fa4510e57ba90267a.png)
(2)如果
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/959f3c514abb15185a429e1b2f1674e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
更新时间:2022-10-10 11:06:10
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【推荐2】已知集合
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b72980f69762488ddb5864dfc33f398.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2734b6268b3476edb7b956e92596f9e4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abdaffa9c15517afe6d7ba6488f88f67.png)
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