名校
解题方法
1 . 已知集合
,集合
.
(1)若
,且
,求实数
的取值范围.
(2)
,若
是
的必要不充分条件,判断实数
是否存在,若存在求
的范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e2f7f54fc1f80683ea5f415d7b38fde.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19b3a2c01b537cf7c294432d623cd832.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c71b2a0394a47e6aa7b2f20a03ac788.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb9d82d19ddbec3a1751d8e91c8551e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82844a05c35503d6575efb20931cca65.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a479511a50da604b2fc7398617db8387.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e02cab1add26335b3cb43d5b54c7c853.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
2020-11-29更新
|
571次组卷
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6卷引用:山东省威海市文登区文登第一中学2021-2022学年高一上学期期末数学试题
2 . 不等式
的解集为
,集合
,
(1)求不等式的解集A
(2)若
,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b6373e8e57fd6b74dc24a70548abf4b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b7f70b3fe460c7ebef774ae0197a6ef.png)
(1)求不等式的解集A
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b05d2be27e8f53e4de3071846dffb41.png)
您最近一年使用:0次