11-12高三上·浙江·期中
名校
1 . 已知
,命题
对任意
,不等式
恒成立,命题
存在
,使不等式
成立.
(1)若
为真命题,求
的取值范围;
(2)若
为假,
为真,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2725a89d93c791f7a0098f4964587905.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51441c8788ff11be766766227793246d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3458fb6a384be1db4070110535261309.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e57ec054e38db7830c107a0dc6a0a30.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce20ef9c08e82df8c7f45bac6dd31d36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe7a35b520dfdffe42e95c88b558fb98.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f3ea8ec620a5a1ef2ff22ae23e7f8703.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c13472bf0353e16784a22e1f890fba40.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f675824e539f50cec53120959d32e554.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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2018-11-19更新
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5卷引用:安徽省滁州市明光中学2020-2021学年高二上学期第二次月考数学(文)试题
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