名校
1 . 命题p:方程
有实数解,命题q:方程
表示焦点在x轴上的椭圆.
若命题p为真,求m的取值范围;
若命题
为真,求m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af1a5d08706ae1982708ae6f2951f99d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4d562f8ac78725aae5fa0d81d3e06b6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4141b26d2c32655003494a91ad6331b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65863c1abad833b79c303bfca24f535c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c554e9fd580d60d9eff61b0c65199df.png)
您最近一年使用:0次
2019-03-04更新
|
688次组卷
|
3卷引用:【市级联考】江苏省淮安市2018-2019学年高二第一学期期末调研测试数学试题
2 . 命题
:指数函数
是减函数;命题
:
,使关于
的方程
有实数解,其中
.
(1)当
时,若
为真命题,求
的取值范围;
(2)当
时,若
且
为假命题,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58ad5c182d3fae54764ca91e13eb3287.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7725e8ffa805d7744a46bde68549e00.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0c232e07b0adf5c19e888881fe7cdaf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/606aa29c4036a4089ac4e243190fcaac.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b4d795709b0abcf47bceec2250f2f9b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f22a4a0dd7307a1323d25331e60782d8.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/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次