设全集
,已知集合
,
.
(1)若
,求
;
(2)若
,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a64dc61989ca50b9ee19d835c4ed268.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2476aaa049eb1e47fc0134bd518c0771.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c8316b9109f365ef740a37f580d658a.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa4c355f11471a38f5583a434a1ddeb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3744e71abf4b43e128eabea9181b712.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04ceb1f338fa60976229d7ec6531b626.png)
更新时间:2022-12-13 10:29:31
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名校
【推荐1】已知集合
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,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4176297d6beba1cb0eef440b07ab952.png)
(1)求
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(2)若
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e733cca95129048d7224e66691084eea.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3744e71abf4b43e128eabea9181b712.png)
(2)若
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【推荐2】已知集合![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db6e64911ed8ed81e3d269dc8142b884.png)
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请从①
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(1)当
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
请从①
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【推荐1】已知集合
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65a9eff587a429f63a0f8a5c97c8bff5.png)
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(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/095fbf9207152c8cfad5f8a355b31d59.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33695a379c03669fc59cd8945f5b2d68.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8a3cc8c48bf54ec8252e5dce6867754.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e0d45290cd197eea95681b83c270539.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b05d2be27e8f53e4de3071846dffb41.png)
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