已知
的定义域为集合
,集合
.
(1)求集合
;
(2)若
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/868016e02671f39bef62f332727c75c0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3bbea16e6c6b00c15a9de2775374bb7.png)
(1)求集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fdbbe46a98a8fdebfc46fcbc45dc88e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
更新时间:2022-11-29 15:10:13
|
相似题推荐
解答题-问答题
|
较易
(0.85)
解题方法
【推荐1】已知全集U=R,集合A={x|x>3或x≤﹣2},集合B={x|2m﹣1<x<m+1},且
,求m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84ae3bb39a224d9d8149f7a259ab4765.png)
您最近一年使用:0次
解答题-问答题
|
较易
(0.85)
解题方法
【推荐2】设集合
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/30ceaea47618b8f2297a9c55ac15f268.png)
(1)若
,试判断集合
与
的关系.
(2)若
,求实数
的值组成的集合.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9c6a6700cc8b16e3c2ddb259c51787d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/30ceaea47618b8f2297a9c55ac15f268.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb87c1479b168d37a10e5c6be12909b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/caf22d7d1a965bda25168a233fb6290c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
解答题-问答题
|
较易
(0.85)
解题方法
【推荐1】已知集合
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5797d7918aa9438554b611b97423752f.png)
(1)当
时,求实数
的值;
(2)若
时,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97927627b6890964c516f02dc34ed2f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5797d7918aa9438554b611b97423752f.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/906ea02bdb4a1f6dc7d477109486c6de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fdbbe46a98a8fdebfc46fcbc45dc88e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
解答题-问答题
|
较易
(0.85)
名校
【推荐2】设全集
,集合
,
.
(1)求
;
(2)若集合
,满足
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a64dc61989ca50b9ee19d835c4ed268.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e530f9f0b309da5c277883d1ea77708a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3fd14a9a41a5eb586f264fce0169f0ff.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5db265773aaa855915ed0b8d3f66a70a.png)
(2)若集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/198a62ad42d8da8ffd55bc113180e6d5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/438a4fbc4db6a280ed1f2cde04105b6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
解答题-问答题
|
较易
(0.85)
【推荐1】已知函数
的定义域为集合
,集合![](https://img.xkw.com/dksih/QBM/2016/11/20/1573161921454080/1573161927303168/STEM/31db311e0a9a434191c85e02a76c1f30.png)
(I)求集合![](https://img.xkw.com/dksih/QBM/2016/11/20/1573161921454080/1573161927303168/STEM/b7f3503a1c854a66af30a7f2a3fa1435.png)
(II)若全集
求
和
![](https://img.xkw.com/dksih/QBM/2016/11/20/1573161921454080/1573161927303168/STEM/11b46b7c391641e58a777dc44f4cb1a2.png)
![](https://img.xkw.com/dksih/QBM/2016/11/20/1573161921454080/1573161927303168/STEM/b7f3503a1c854a66af30a7f2a3fa1435.png)
![](https://img.xkw.com/dksih/QBM/2016/11/20/1573161921454080/1573161927303168/STEM/31db311e0a9a434191c85e02a76c1f30.png)
(I)求集合
![](https://img.xkw.com/dksih/QBM/2016/11/20/1573161921454080/1573161927303168/STEM/b7f3503a1c854a66af30a7f2a3fa1435.png)
(II)若全集
![](https://img.xkw.com/dksih/QBM/2016/11/20/1573161921454080/1573161927303168/STEM/55ab8ffd8d52429e8bae696e36b62fc6.png)
![](https://img.xkw.com/dksih/QBM/2016/11/20/1573161921454080/1573161927303168/STEM/42257b235b7b475886c0fdfbfb9e50c4.png)
![](https://img.xkw.com/dksih/QBM/2016/11/20/1573161921454080/1573161927303168/STEM/2f7b3059470643dda43beeb8afe30fe4.png)
您最近一年使用:0次
解答题-问答题
|
较易
(0.85)
解题方法
【推荐2】求下列函数的定义域:
(1)
;
(2)
;
(3)
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c9aa26a0f48e0a10f0edaeae4e36052.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc15302f94e17871d69078c7583f8ff5.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/505530ebe93954636845cb3b99e84a62.png)
您最近一年使用:0次