已知集合A={x|(x+2)(x
3)<0},B={x|k+2<x<3
k}.
(1)当k=
3时,求A∪B;
(2)若A∪B=B,求实数k的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bfc339cf6dd66599db64fa3fa44e608.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bfc339cf6dd66599db64fa3fa44e608.png)
(1)当k=
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bfc339cf6dd66599db64fa3fa44e608.png)
(2)若A∪B=B,求实数k的取值范围.
更新时间:2021-11-27 22:44:01
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