已知集合
,全集为
.
(1)若
,求
和
;
(2)若
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/147c94ce41f906b78fff500cd51a7a5e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8a3cc8c48bf54ec8252e5dce6867754.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3744e71abf4b43e128eabea9181b712.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04ceb1f338fa60976229d7ec6531b626.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
更新时间:2019-11-03 20:26:51
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【推荐1】设函数
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【推荐2】已知集合A={x|x2﹣2x﹣3≤0},B={x|x2﹣2mx+m2﹣9≤0},m∈R.
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(2)若A⊆B,求实数m的取值范围.
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名校
解题方法
【推荐1】已知全集
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(2)若
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的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a64dc61989ca50b9ee19d835c4ed268.png)
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(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8a3cc8c48bf54ec8252e5dce6867754.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84ae3bb39a224d9d8149f7a259ab4765.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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【推荐2】已知集合
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e588b1930ce6ba52b823d324b84853f8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
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【推荐3】已知全集
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(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11102484da0c33a348a8c4db152a4b7a.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b05d2be27e8f53e4de3071846dffb41.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
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较易
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名校
【推荐1】已知集合
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(1)当
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(2)若
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/466c61e33d04b310d437c55c7492d60d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4506c7c4b90878f8a42ad5186fef5b71.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7aed39f5aca78934fb383402433fe549.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3744e71abf4b43e128eabea9181b712.png)
(2)若
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解题方法
【推荐2】已知集合
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(1)若
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(2)若
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/860ce4a83800c6428e3109bdc0f9ebf8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49a90e6e45711ed98057dad1d3b6d6fc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6cc2ebc862108b87c5ca81aa52f64d3.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b108ab31cc093f03cf48ad65429889e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3744e71abf4b43e128eabea9181b712.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dea9a4259cca10c1f5af28e621ebafd6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次