已知集合
,
.
(1)求
;
(2)求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41172e9ef5e328e9a81c673de0ed913c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f289a60f12945911bfb63037be962094.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3744e71abf4b43e128eabea9181b712.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/638ae93b9a2d900c14e58cbc047ea8c1.png)
更新时间:2023-11-20 21:42:17
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解答题-问答题
|
容易
(0.94)
【推荐1】已知集合
,
.
(1)当
时,求
,
;
(2)若
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb1e56c479d4b8c05a218626226b1eda.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/78958e03e822bed4eabbcfbaa58fc44d.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/711b21672fd907c5c92fee1d649e7003.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/0b05d2be27e8f53e4de3071846dffb41.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
解答题-问答题
|
容易
(0.94)
名校
解题方法
【推荐2】1.已知
,
.
(1)若
时,求
.
(2)
时,求a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e539c0187f232899fdff0f8922e51a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0eef277bf73dced8cc8ca43dbd97e3ac.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e65397f11ea8af736f38debadf420c4a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3744e71abf4b43e128eabea9181b712.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dea9a4259cca10c1f5af28e621ebafd6.png)
您最近一年使用:0次