如果集合A,B分别满足下列等式,试写出A与B之间的关系:
(1)
;
(2)
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04ceb1f338fa60976229d7ec6531b626.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fdbbe46a98a8fdebfc46fcbc45dc88e8.png)
更新时间:2023-09-17 20:17:45
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【推荐2】已知集合
,
或
.
(1)求
、
;
(2)若集合
,且
,
为假命题,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60cb2eddaae950641648d4f711b9ee2d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/28f47a006fd81efdd814246f4a9d5f42.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61b700dc51dce8dd6f00d1d1905672d9.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/263c14c91031d4566e0cea585ae07ea5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/709ef9360868f3e5f03019f897b16b71.png)
(2)若集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/74749a4160641e18b20cf2e1201fd21b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd7f24535b166511687443e550d671d7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2307b78b723c4e8050a7d24a03f778fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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解答题-问答题
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较易
(0.85)
名校
【推荐1】集合
,
或
,
.
(1)求
;
(2)若
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/799d7f86f4afb96e511f7ec1b1c1f082.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ac78e1b904f444bf3c902823b948b49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb6b253b187fe36e6bd40c46bcfc114a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dfb2e02a43273a61b2e5f096e346d4bf.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/75c6d0847cbfb5690d6671d0faa574d2.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/618147a227a6aa56fd62e9f51dc3836f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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【推荐2】已知集合A={x|x2+ax﹣12=0},B={x|x2+bx+c=0},且A≠B,A∩B={﹣3},A∪B={﹣3,1,4},求实数a,b,c的值.
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