已如条件
在函数
的定义域内,条件
.若
是
的充分不必要条件,则a的取值范围为________ (结果用区间表示).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/487ce4f98c52d8c14ed045f3d488332e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/338d5e2271297f4d4a6ff917355bb966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15218896b51cea9460ab88fbdbfafd35.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ffc1bb9d53a27d484396ad74d6a26e0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e26b38e357c7d985656ba7bb3c794a5.png)
更新时间:2020-02-25 06:02:19
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【知识点】 根据充分不必要条件求参数解读
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【推荐1】已知
或
,
,若
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的充分不必要条件,则
的取值范围是_______ .
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【推荐2】若不等式
成立的充分不必要条件是
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的取值范围是________ .
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