已知p:关于x的方程
至多有一个实数解,
.
(1)若命题p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/73de0f9467533d375b0a5a81a5642a3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95e570581341cefbf013fc22402d9f9c.png)
(1)若命题p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.
更新时间:2022-02-21 14:31:23
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【推荐1】已知
且
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当
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(1)若q为真命题,求m的取值范围;
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(1)若q为真命题,求m的取值范围;
(2)若p为真命题,求m的取值范围;
(3)若在“p且q”和“p或q”中有且仅有一个是真命题,求m的取值范围.
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解题方法
【推荐2】命题
:关于
的方程
的两个不相等的正实根,命题
:
,
(1)若命题
为真命题,求
的取值范围;
(2)若
是
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的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
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(1)若命题
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(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
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适中
(0.65)
【推荐1】已知条件p:实数x满足
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb31527aa6baa501f260cd42720788d3.png)
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名校
【推荐2】已知命题
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(1)若命题
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
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【推荐2】某单位有员工1000名,平均每人每年创造利润10万元,为了增加企业竞争力,决定优化产业结构,调整出
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