已知集合
,
且
.
(1)若
,求实数
的取值范围;
(2)设条件
,条件
,且
是
的充分不必要条件,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e24550650d24ced8861d4773c477654.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc3c82b12dd5c94ecabb31fdba42062.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/928cd155cf20033821c58ab602111bd6.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96f1ba0a1129741502600e47bf058c98.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)设条件
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a02428aad98748dc92a21a0c29e54bd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d068729e449f05a9d5821a7f95589b56.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)
更新时间:2021-11-19 21:19:06
|
相似题推荐
解答题-问答题
|
适中
(0.65)
解题方法
【推荐1】设全集
,集合
,集合
,
(1)若
,求实数
的取值范围.
(2)若命题
,命题
,若
是
的充分不必要条件,求实数
的取值范围
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/860ebb6f76cd3cb9a265dfc233002a13.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b678ba614683014afec9f59f84a83562.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ed11ec6fe0a757597591554c3f4bf9c.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96f1ba0a1129741502600e47bf058c98.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)若命题
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fc11e9183ffccd297df4a1c18618bae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/218c5309e534904dc6bf768074965239.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
解答题-问答题
|
适中
(0.65)
名校
解题方法
【推荐2】已知命题
:不等式
的解集中的整数有且仅有-1,0,1,命题
:集合
,
且
.
(1)求命题
,
都为真命题时的实数
的取值范围;
(2)设命题
,
皆为真时
的取值集合为
,
,若全集
,
,求实数
的范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1831f5c2c3244d5fb696d26e47dc00bd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c788f74fa52d276d4b4053d7a4920389.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034672efdeec11b88f10bd9f23bee67b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dea9a4259cca10c1f5af28e621ebafd6.png)
(1)求命题
![](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/0a6936d370d6a238a608ca56f87198de.png)
(2)设命题
![](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/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d98c697bf3d6ea92dabdf3caf384cf39.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a64dc61989ca50b9ee19d835c4ed268.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/386f8b626b55b11e7a55ca5fcc440e25.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
【推荐1】已知集合A={x∈R|0≤ax+1≤5},B={x∈R|2x2-3x-2≤0} (a≠0).
(1)集合A,B能否相等?若能,求出实数a的值;若不能,试说出理由.
(2)若命题p:x∈A,命题q:x∈B,且p是q的充分不必要条件,求实数a的取值范围.
(1)集合A,B能否相等?若能,求出实数a的值;若不能,试说出理由.
(2)若命题p:x∈A,命题q:x∈B,且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
解答题-问答题
|
适中
(0.65)
【推荐2】(1)设
:
,
:
,若
是
的充分非必要条件,求实数a的取值范围;
(2)设集合
,集合
,若
,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0ae3b94fe231f4c4a419ded0b0f4be8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7acf2f39f1b37223842f9fde941faa4a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
(2)设集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72633dc460b0cd90800fa69c5bcd6d38.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23232636f70ab6a8b46bceec2b494119.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a502d6cf8ca4760f10817bf785886181.png)
您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
解题方法
【推荐1】阅读本题后面有待完善的问题,在下列三个条件:①
,②
,③
中选择一个作为条件,补充在题中横线处,使问题完善,并解答你构造的问题.(如果选择多个关系并分别解答,在不出现逻辑混乱的情况下,按照第一个解答给分).
问题:已知命题
,
,命题
___________,若
是
的充分不必要条件,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/916582d2bc54610ef6c6fb60e51c8990.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8e653e8752a1d311c9fd464a167812a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c04baf09062aa9cce814a369f897719.png)
问题:已知命题
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd2b0872f0caaaf3c9cb7f1ede4ad760.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1e69392d21261afd8e5e5f096634669.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce20ef9c08e82df8c7f45bac6dd31d36.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/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
名校
【推荐2】已知命题P:不等式
的解集为R;命题Q:圆
上至少有三个点到直线ax+y-1=0的距离为1.若命题P和Q中有且只有一个为真,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e3698ae9e7e85b23e0fb785dea7e0c0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10a60e4163695697201215b66272ff51.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次