设
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ec0618ae3a4fde6d6220010af229b9a.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/28abc8acba41ec68c22644504b7fa5d7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ec0618ae3a4fde6d6220010af229b9a.png)
更新时间:2018-12-06 10:59:16
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【知识点】 指数式与对数式的互化
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解题方法
【推荐1】若
的反函数为
,且
,则
的最小值为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1b92c365582b2fcb997568cd4a1b97a.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f7266b2ef457b8ddeee3fa2cc24022e.png)
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填空题-单空题
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【推荐2】已知
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66e5fee95335956a9c4b05ea760cc886.png)
__________ .(结果用
,
表示)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ce9c080be9a3dba82bee3a6f9dabfa9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/646bb054d4464c8709beb70852692214.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66e5fee95335956a9c4b05ea760cc886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
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