已知全集为实数集
,集合
,
.
(1)求
及
;
(2)设集合
,若
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5de89247657d18db38bd8bb2128df82.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/30c94d67127a374a7515c0184b8c75db.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3744e71abf4b43e128eabea9181b712.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c93f24face0db72ce26ae8539d93773d.png)
(2)设集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d09cb0bc2d561237ac053af99972576.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c6ca098b764e0366d043b69ae9d8f68.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
更新时间:2022-04-13 22:49:47
|
相似题推荐
解答题-问答题
|
适中
(0.65)
解题方法
【推荐1】(1)已知集合
,
,且
,求实数
的取值范围;
(2)已知集合
,
,若
且
,求
的值;
(3)已知
,当
变化时,求不等式
的解集.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e592bba7506bb02055aa535e4b32f651.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/828cdf04a6f5d04e05d808f4c3fad58f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2ad78dc8b8aed907b4fe9640c997454.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)已知集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0bb54fc566981c9f4e4f22a39546391c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38909e383f65e8ddb193f29b3ab6f03a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/343324ebf9d6e86c42fbde0fbb94689d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81e67e3ebadffb75c7aec8f14b269f51.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aaacfaef44a654c0a1c283ef03fc0550.png)
(3)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5aff8d9b6533ff319420cdc5e8740b04.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8cf87a06a101db13189d94e8d49619bb.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】已知集合
,集合
.
(1)当
时,求m的取值范围;
(2)当B为非空集合时,若
是
的充分不必要条件,求实数m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd932a97cc6c7b314a38cfa52bae7c63.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53c5dc9496e3d3b93e436518cacaa59a.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5cf1e97de471ad174a6e9d4c41dafabc.png)
(2)当B为非空集合时,若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e23af61cd402b3789af2401bde9cbefe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ed006b944ea64f970fee46e2f558467.png)
您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
【推荐1】设集合
,
,
(1)当
时,求
;
(2)若
,求a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bafe6615c6384fa4cd0b6e768595ef06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f5cd5c9f2de275543cd5fb78dedc6cb.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b108ab31cc093f03cf48ad65429889e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b05d2be27e8f53e4de3071846dffb41.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】已知集合
,集合
,集合
.
(1)求
;
(2)设全集
,求
;
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/364cf8ee304f31a5e8be9bf72609f3f0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61e9c218bbbe2a8f88cd64cf859474bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/423f264c58b1c043c08cd1bc9d635e76.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0899a23c018a1f574b02688c23529d2f.png)
(2)设全集
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/860ebb6f76cd3cb9a265dfc233002a13.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c809a690704482d7258dad5b406482b.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】已知集合
,记关于x的不等式
的解集为
,
.
(1)若
,求
;
(2)若
,求实数m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66d79b64c6bd5f3d86d9393fa4dd835a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/afda992aa952d548fd02fb0ac6f82ac2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a6f5a590c41d0a969d10d970ecee6b5.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82fd1ee756ac1b0f950c0f6a2bce3178.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2bed4f3b7d72db3b022165360678e8d.png)
您最近一年使用:0次
解答题-问答题
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适中
(0.65)
名校
【推荐2】已知函数
.
(1)当
时,求函数
的定义域;
(2)判断函数
的单调性,并用单调性的定义证明你的结论.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b9f47ac0fb459567ec7ab45c09cd1a3.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/200f24e682c93e02a87f3f9d57dc5d40.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe25ef9895bbfbcfc75ac67ed13e06c2.png)
(2)判断函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
您最近一年使用:0次