已知集合
,
,
.
(1)若
,求
的取值范围;
(2)若
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2444dfc8b78ea599e5b850a79ce85dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e03d5e557213364e7c49ab7935bfbb8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10bbdef421c976962a270a2beabbad91.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dea9a4259cca10c1f5af28e621ebafd6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd9d50619b779c1056602f46b2a95e90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
更新时间:2023-01-19 10:08:54
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您最近一年使用:0次
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较易
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解题方法
【推荐2】已知集合
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2296edefacc20db6d8f9c76c62eaeb51.png)
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(2)若
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解题方法
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee08df9b1dad5f315a9261056908a2da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fdeb43ff22730adafd2d660e07c59ec9.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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