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1 . 求下列各式中a的取值范围:
(1)loga3<logaπ,则a∈
(2)log5π<log5a,则a∈
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2 . 设函数
且
,若
,则
的值等于________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd00c8f4ff56cb6a80ea9d622940e373.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7cc2e93cee2e6a921b66d250bd046b33.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ff3ec24f332ab373429f5e44e66eb8a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/afcdd2c7a1da1e72059c812d00dd9540.png)
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