已知集合
,
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ded6edf806e6570fd37fec8eaf374a0e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e464c59b9ad370ebadfefbe856869728.png)
(1)求集合;
(2)已知集合,若集合
,求实数
的取值范围.
更新时间:2018-11-06 14:40:32
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【推荐1】设集合
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(1)若
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(2)若
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(1)若
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(2)若
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【推荐2】已知集合
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(1)求
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(2)若
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(1)求
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(2)若
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【推荐1】已知函数
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(1)求
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【推荐2】已知函数
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
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解题方法
【推荐2】已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6577db3b86ec49e6ba8956b7b35af0f1.png)
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(2)若不等式
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