1 . 已知
,
,
.
(1)求
;
(2)若
,求实数
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3f199af8d5131bbb32b64cb19441c93.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b02f8f2223bb0a3b6a8687a45a8010b4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eeb80a751f12a01ae6afcd296d04df7c.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d89d2e29102f770aefc52f7e27b26f3d.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/281b7f1f77b4b82e84f906019acca76f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
名校
2 . 解下列不等式:
(1)
;
(2)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9196e337244fe7ac008514c6abd48451.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/deb1e0e34f9f09fefe7631eea67a8f7f.png)
您最近一年使用:0次
2021-11-28更新
|
1088次组卷
|
3卷引用:广西防城港市高级中学2022-2023学年高一上学期10月月考数学试题
3 . 给定
:
;
:
,若“
且
”为假命题,则
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45291e4e6b3df248b21b53260df11cfa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a58e6a329ad4341b960c003e14e43c96.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
您最近一年使用:0次