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1 . 已知集合
,
.
(1)求集合
;
(2)若
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9eab9d6aef02a900ac0b8f895fb449d8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b17a7dc04aeca68a0d612993a4205a8.png)
(1)求集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae3516cead1976248defbf1ffe368170.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fdbbe46a98a8fdebfc46fcbc45dc88e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
2020-01-19更新
|
508次组卷
|
4卷引用:安徽省池州市东至县第三中学2020-2021学年高一上学期12月月考数学试题
解题方法
2 . 设集合
,
,若
,求实数
的值组成的集合.
![](https://img.xkw.com/dksih/QBM/2017/1/10/1619449826238464/1619449826574336/STEM/7ab2ae6b9f3844928d7a56aa569842d6.png)
![](https://img.xkw.com/dksih/QBM/2017/1/10/1619449826238464/1619449826574336/STEM/d629dbb2b06c4ceeb2250e5ad53cab9b.png)
![](https://img.xkw.com/dksih/QBM/2017/1/10/1619449826238464/1619449826574336/STEM/b4e1d14d039246b0baecd012f673b0a6.png)
![](https://img.xkw.com/dksih/QBM/2017/1/10/1619449826238464/1619449826574336/STEM/f52a530af6804d788f1afa1bdfe8ed22.png)
您最近一年使用:0次