函数
且a≠1)的图象恒过定点A,若点A也在函数
的图象上,则b的值为___
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/50c55dc8fa160863b78f6a1f96bf45db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e86d26bdf08a93010fe972dd524bc3b1.png)
更新时间:2022-01-29 17:02:17
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