设集合
,集合
,S,T中至少有两个元素,且S,T满足:
①对于任意
,若
,则
;
②对于任意
,若
,则
.
(1)若
,则
___________;若
,则S的元素个数最多为___________.
(2)若
,T中含有4个元素,求证:
;
(3)若
,且
,求n的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6469f3308acb56e4ec6e582e875763c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3360fc88cfe584dddf40a82b24030cd6.png)
①对于任意
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c36aecba41f6f5ff0d46a29dccaaf01.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a11a069688e4c797fcf527eab15afa82.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8339eab9c659e50db86828b65f825e22.png)
②对于任意
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/566d386cbedb1c8750f4837633c2af64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43a5abe56c019ac914e1fcde1865a747.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5718e9c8baa106b447f9fae23e730de.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f8664282b2dd1d8767c6b08fc7b388ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23cb763b3517a6204a9e9eb1d6163553.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ffe0b024822002d6a94f3afd13b67f3.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fca58996e1ccfdf97c4a6b0e06279aa9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61299c9c06c5ccfc103864cd67f94a09.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b48acf6a632e71381e3a2aa3ceeb460.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cdbc7c63c6d86996f26abf50e879b129.png)
更新时间:2022-10-08 22:46:18
|
【知识点】 集合新定义
相似题推荐
解答题-问答题
|
适中
(0.65)
名校
【推荐1】已知由实数组成的集合
满足:若
则
.
(1)设
中含有3个元素,且
,求
;
(2)
能否是仅含一个元素的单元素集,试说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ed006b944ea64f970fee46e2f558467.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/74137fa46f6f3208f5924cb1b8c66b08.png)
(1)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed961de27af72b7d11887ccfb6f15071.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
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解答题-证明题
|
适中
(0.65)
【推荐2】已知集合
,其中
,
是函数
定义域内任意不相等的两个实数.
(1)若
,同时
,求证:
;
(2)判断
是否在集合A中,并说明理由;
(3)设函数
的定义域为B,函数
的值域为C.函数
满足以下3个条件:
①
,②
,③
.试确定一个满足以上3个条件的函数
要对满足的条件进行说明).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/855526c0f0bd164fff3f74274a6bbecf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aec19b68e3add9d5bfcc6269a1855b87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d5f5f81ea1a02b88ff8491fcf4937db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bbec485ab7b15f1e09f163fe990577c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b529f58369b7699fcd20be1497d07b4e.png)
(2)判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bee6881a170f6ef9ed5c133b95c2f448.png)
(3)设函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d5f5f81ea1a02b88ff8491fcf4937db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64afdc6fcdc4cd326bb11679766c223e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9db98efa3d9f09a65fc4c88a32cdc0e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
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