解题方法
1 . 已知
,集合
或
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ad7d10a1de507c6b1d0f3e9ec81e461.png)
(1)当
时,求![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
(2)若
是
的充分不必要条件,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41cc0d7d6e4a6db5904903a759839974.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b4ddadbdc40a81d7310dd69c14f40a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ad7d10a1de507c6b1d0f3e9ec81e461.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ed006b944ea64f970fee46e2f558467.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e23af61cd402b3789af2401bde9cbefe.png)
您最近一年使用:0次
2021-03-11更新
|
955次组卷
|
4卷引用:吉林省白山市临江市第二中学2022-2023学年高三上学期第一次月考数学试题