已知函数
的最小值为1,则
的取值范围为_______________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/847d71ec14f1e50f9df09143692b7fb6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
更新时间:2023-10-30 08:42:10
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【知识点】 已知函数最值求参数
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