已知函数
,若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/254285729323e17d08f9ee092ec43ea9.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/74088e31acd9bc94dc8bc34e616bef64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9e885003eb610eb063e83cfdff234f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/254285729323e17d08f9ee092ec43ea9.png)
更新时间:2020-06-08 19:35:23
|
【知识点】 对数的运算性质的应用