名校
解题方法
1 . 设命题p:实数x满足
,命题q:实数x满足
,其中a>0.
(1)若a=1,且p∧q为真,求实数x的取值范围;
(2)若p是q的充分不必要条件,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1607a8fd2645f1a508b2c4cf2e730bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ebff6619f0334a3494d94c6cacf2f2ac.png)
(1)若a=1,且p∧q为真,求实数x的取值范围;
(2)若p是q的充分不必要条件,求实数a的取值范围.
您最近一年使用:0次
2022-05-15更新
|
548次组卷
|
5卷引用:新疆乌鲁木齐市第101中学2021-2022 学年高二下学期期中考试数学(理)试题(问卷)
名校
2 . 已知
,
关于x的方程
有实数根.
(1)若q为真命题,求实数a的取值范围;
(2)若
为真命题,
为假命题,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/117a030179c7fc38501c4968a9de3a23.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce20ef9c08e82df8c7f45bac6dd31d36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed96a4869723b318e458de59d80342e8.png)
(1)若q为真命题,求实数a的取值范围;
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f675824e539f50cec53120959d32e554.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c13472bf0353e16784a22e1f890fba40.png)
您最近一年使用:0次
名校
3 . 设命题p:方程
有两个不相等的正根;
命题q:方程
无实根.
(1)若
为真,求实数m的取值范围;
(2)若
为真,
为假,求实数m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4ea5c1de4b41af90aa3c1d51144fa57.png)
命题q:方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1fd20ac23c58d0da3674acc78f249d3f.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f675824e539f50cec53120959d32e554.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f675824e539f50cec53120959d32e554.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c13472bf0353e16784a22e1f890fba40.png)
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解题方法
4 . 已知复数
,其中i是虚数单位,
.设p:复数z在复平面内对应的点位于第四象限;
.
(1)当p为真命题时,求实数m的取值范围;
(2)若命题“
且
”为假命题,“
或
”为真命题,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59b8ffe94d46e3fd6b9c3d62db073c47.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dcd9218a657b17654c5d757a6f7dee9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/50dfa9b5a82e935e5a3a30ee9532b722.png)
(1)当p为真命题时,求实数m的取值范围;
(2)若命题“
![](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/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
解题方法
5 . 已知复数
,其中i是虚数单位,
.设p:复数z在复平面内对应的点位于第四象限;
.
(1)当p为真命题时,求实数m的取值范围;
(2)若命题“p且q”为假命题,“p或q”为真命题,求实数m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59b8ffe94d46e3fd6b9c3d62db073c47.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dcd9218a657b17654c5d757a6f7dee9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1849b037eaa56178d9dcb046aaaa0473.png)
(1)当p为真命题时,求实数m的取值范围;
(2)若命题“p且q”为假命题,“p或q”为真命题,求实数m的取值范围.
您最近一年使用:0次
名校
6 . (1)请将下列真值表补充完整;(空格处填上“真”或“假”)
(2)给定命题p:对任意实数x都有
成立;命题q:关于x的方程
有实根.已知命题
和命题
都是真命题,求实数a的取值范围.
p | q | ![]() | ![]() |
真 | 真 | 真 | ______ |
真 | 假 | ______ | 真 |
假 | 真 | ______ | 假 |
假 | 假 | 真 | ______ |
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5abdea09520a9022a2f1e07bf12afe6b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5498a3a68e3cdb7dc121330f95a9b265.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f602c916a51570813855222577ba372.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b17312706507512c4215edf8b6e8c16d.png)
您最近一年使用:0次
7 . 已知命题p:“关于x的方程
有实数根”,命题q:“
”,命题r:“
”.
(1)若“p且q”是真命题,求m的取值范围:
(2)若q是r的充分不必要条件,求t的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11f952dd7feb6cb332cf7b4e8af2bd03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72487c60611c53ff7b54e9e8b9931b76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eac53a3b5c745a282cdabdebd78a6cd1.png)
(1)若“p且q”是真命题,求m的取值范围:
(2)若q是r的充分不必要条件,求t的取值范围.
您最近一年使用:0次
名校
8 . 已知命题
,命题
方程
表示焦点在
轴上的椭圆.
(1)命题
为真命题,求实数
的取值范围;
(2)若命题“
为真,命题“
为假,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c720b0e77ff76b0ba58a3ab2bc3f4f87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce20ef9c08e82df8c7f45bac6dd31d36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1f5d8320cca3ff218e4ca903df259c4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(1)命题
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
(2)若命题“
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a40c399e19abb401db260d8e20a94d00.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6435e3a14c2ed9c4f58f81b67eaf0ebc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
您最近一年使用:0次
2023-01-07更新
|
152次组卷
|
2卷引用:天津市宁河区芦台第四中学2019-2020学年高二下学期第二次月考数学试题
名校
9 . 已知命题p:方程
表示焦点在y轴上的椭圆;命题q:实数m满足
.
(1)若命题p为真命题,求实数m的取值范围;
(2)若“
”为假命题,“
”为真命题,求实数m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65db06822b679880d2a117700e226b20.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e1433089caf5e446fcc23942ea9c224.png)
(1)若命题p为真命题,求实数m的取值范围;
(2)若“
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c13472bf0353e16784a22e1f890fba40.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f675824e539f50cec53120959d32e554.png)
您最近一年使用:0次
名校
10 . p:“实数a满足
”,q:“方程
表示焦点在y轴上的椭圆”.
(1)若m=3,且命题“
”为真命题,求实数a的取值范围;
(2)若p是q的充分不必要条件,求实数m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6b48708d7ec38de8fc38396cd27c2d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03da0343dbee76ad92f77abb4ebd7e3e.png)
(1)若m=3,且命题“
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f675824e539f50cec53120959d32e554.png)
(2)若p是q的充分不必要条件,求实数m的取值范围.
您最近一年使用:0次