已知全集
,集合
,
.
(1)当
时,求
与
;
(2)若
,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6dcaf41cda5c2df78a0ed2ac97277ceb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cde0aa5e92b13dbacce5404dd080ab48.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31256393e189d7b497cf014bf953aef1.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e65397f11ea8af736f38debadf420c4a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/edd53a79a58c7e7ec09b426d2a20fef9.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fdbbe46a98a8fdebfc46fcbc45dc88e8.png)
更新时间:2022-09-29 08:06:25
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