已知集合
,
.
(1)若
,求
的值;
(2)若
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/915519ebd1a33734e5b1c02e8d12ed5c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb5dc59f2880af2ea341bd375bbfb94d.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21fe0eb16522cc094620d880e7cd9d2e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ed549dafe96391f5ebd8c8217873971.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
更新时间:2022-11-24 15:10:49
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解答题-问答题
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较易
(0.85)
名校
【推荐1】已知集合
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(1)若
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)若集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/75bfce5c2c67c5ef579e2c46fe675fe8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/494ef17e209a793355a2dd4652b4ba51.png)
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解题方法
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(1)当
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(2)若
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