设命题p:对所有的2≤x≤3,不等式x2-4x+13≥m2恒成立;命题q:m>4或m<1.
(1)若命题p为真命题,求实数m的取值范围;
(2)若命题p、q一真一假,求实数m的取值范围.
(1)若命题p为真命题,求实数m的取值范围;
(2)若命题p、q一真一假,求实数m的取值范围.
更新时间:2021-07-19 09:11:10
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【推荐1】已知命题p:∃x∈(-1,1),使
成立,命题q:关于x的方程
的一个根大于1,另一个根小于1.
(1)分别求命题p和命题q为真时实数m的取值范围;
(2)若命题p与命题q一真一假,求实数m的取值范围.
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb9e2e4bc692840b44dbbc74eca15dcd.png)
(1)分别求命题p和命题q为真时实数m的取值范围;
(2)若命题p与命题q一真一假,求实数m的取值范围.
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【推荐2】已知
,命题
:方程
表示双曲线,命题
:
,
.
(1)若命题
为真命题,求
取值范围;
(2)若命题
为真命题,求
取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2725a89d93c791f7a0098f4964587905.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ce8e766cdb7def0e8ea5cafad8b1562.png)
(1)若命题
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)若命题
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【推荐1】已知命题
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;命题q:函数
有两个零点.
(1)若
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为假命题,求实数
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(1)若
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(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f675824e539f50cec53120959d32e554.png)
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【推荐2】已知命题
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【推荐1】已知二次函数
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恒成立,求x的取值范围.
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(2)若该二次函数
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【推荐2】已知关于
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