已知命题p:
,命题q:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab22b187994059ba9cbef78d200795d5.png)
(1)若命题p为假命题,求实数x的取值范围.
(2)若p是q的充分条件,求实数m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e131db7391bc2b6baaccaca285ab64ae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab22b187994059ba9cbef78d200795d5.png)
(1)若命题p为假命题,求实数x的取值范围.
(2)若p是q的充分条件,求实数m的取值范围.
23-24高一上·江苏连云港·阶段练习 查看更多[2]
更新时间:2023-10-07 12:56:59
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解答题-问答题
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【推荐1】已知命题A:方程
表示焦点在
轴上的椭圆;
命题B:实数
使得不等式
成立.
(1)若命题A为真,求实数
的取值范围;
(2)若命题B是命题A的必要不充分条件,求实数
的取值范围.
![](https://img.xkw.com/dksih/QBM/2016/2/26/1572500601774080/1572500607557632/STEM/563cf1456f1c418393c3dd131b5762d1.png)
![](https://img.xkw.com/dksih/QBM/2016/2/26/1572500601774080/1572500607557632/STEM/a497e6092d62499e8cbb0987afd32184.png)
命题B:实数
![](https://img.xkw.com/dksih/QBM/2016/2/26/1572500601774080/1572500607557632/STEM/bae2096a5939469a9e3b8eb385cd517c.png)
![](https://img.xkw.com/dksih/QBM/2016/2/26/1572500601774080/1572500607557632/STEM/3fc259a5a93548fa8fc375b1b325ad1e.png)
(1)若命题A为真,求实数
![](https://img.xkw.com/dksih/QBM/2016/2/26/1572500601774080/1572500607557632/STEM/ccd87b1d4c2b41f5a1aa19ebf9d1f5be.png)
(2)若命题B是命题A的必要不充分条件,求实数
![](https://img.xkw.com/dksih/QBM/2016/2/26/1572500601774080/1572500607557632/STEM/1c516b5a0a6d49d0a414fd9c5731cc9e.png)
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解答题-问答题
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【推荐2】已知
方程
有两个不等的负实根;
方程
无实根.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/51441c8788ff11be766766227793246d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36bcb4df710cf7fc5a4159380ae5451e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce20ef9c08e82df8c7f45bac6dd31d36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a61cf3419d89ff7fab7db8f49428b4c4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
您最近一年使用:0次
解答题-问答题
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(0.85)
名校
解题方法
【推荐1】已知:集合
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0ff1b7453f1f1b902da2dded4de7906.png)
(1)若
,求
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(2)若
是
的充分条件,求实数
的取值范围;
(3)若
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/faf0831b650d20a60b416f119982b2dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0ff1b7453f1f1b902da2dded4de7906.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e94f16d5ed858699bfea5039a7bf8ae6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ed006b944ea64f970fee46e2f558467.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e23af61cd402b3789af2401bde9cbefe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dea9a4259cca10c1f5af28e621ebafd6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
解答题
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较易
(0.85)
名校
解题方法
【推荐2】已知命题
,且
,命题
,且
.
(1)若
,求实数
的取值范围;
(2)若
是
的充分条件,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3fa3ce35f134bf2d3ede948a90653247.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b987afd812bfd513b38d8a635e9b126.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b4392609f63fcb931c45d779be927a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5f49352555b8a74c291291f3be4aab9.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9c4a700c08d3552f11539bbd2427722.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/02475842a0c8318db41c5c38c3af7e66.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a037d29525d118dc083dc3e5e808ca2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次