已知
,
,且
,若不等式
恒成立,则a的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/061813f1ec633c5c4c393c4de7938322.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45b0c5e99215f1bf94aa10215919ad2d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21d2c041ef33d79930983323bad00af4.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
23-24高一上·广东揭阳·期中 查看更多[3]
更新时间:2023-11-15 21:07:26
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【推荐1】已知
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