已知函数
为幂函数,且在区间
上单调递减,则
的值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4583ef2c72ab7d0db82c5518452b360.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/870ebc2f7aabb028024894568d749934.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
更新时间:2023-11-12 14:17:58
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