已知
,有
,
,有
.
(1)若p为真命题,求a的取值范围;
(2)若p和q至少有一个为真命题,求a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a133fa8172d41c70c25d623f3dddd15.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/860853c6b6a2472eed48c6a82efecd21.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/edc0537b98e65cc44c604f66f1fe01c1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f35dad7308dabab181fd0d1f8bb145d.png)
(1)若p为真命题,求a的取值范围;
(2)若p和q至少有一个为真命题,求a的取值范围.
更新时间:2022-11-02 10:19:07
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(2)若命题“
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