已知
,不等式
解的集合为A,集合
.
(1)求集合A
(2)若
,且
是
的充分条件,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10bbdef421c976962a270a2beabbad91.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/47573f19da19b989e84de8bf542ffed0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8784efd7652e50fdbd09e0187d079aab.png)
(1)求集合A
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ed006b944ea64f970fee46e2f558467.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e23af61cd402b3789af2401bde9cbefe.png)
更新时间:2022-11-04 08:02:32
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