已知函数
的定义域为A,集合
,非空集合
,全集为实数集R.
(1)求集合
和
;
(2)若A∪C=A,求实数
取值的集合.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/927171a85720cb91af006c2e69bd5103.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e605a8ac9df279f8d2d79041921a178.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c69475bfbc66fdd89cef9415a060db33.png)
(1)求集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8250496dff397b3e8778755a8fe5d31e.png)
(2)若A∪C=A,求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
更新时间:2018-02-27 18:15:41
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解题方法
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【推荐2】已知集合
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