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[函数] 函数$y=a^x$与$y=\log_a x$的图象有两个公共点,求$a$的取值范围

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郝酒 posted 2018-3-27 11:38 |Read mode
RT.
记得Ku版原来写过,但是只找到$0<a<1$的特殊情况的帖子。想问下详细步骤。

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kuing posted 2018-3-27 11:55
随便百度一下就有了呗: wenku.baidu.com/view/623cf7ce050876323112128e.html

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hbghlyj posted 2023-4-18 08:06
kuing 发表于 2018-3-27 04:55
随便百度一下就有了呗: https://wenku.baidu.com/view/623cf7ce050876323112128e.html
对不起,该文档已被删除

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kuing posted 2023-4-18 12:48
hbghlyj 发表于 2023-4-18 08:06
对不起,该文档已被删除
搜索:方程a^x=x^k和a^x=log_a x的解,有:
wenku.baidu.com/view/f33138c708a1284ac85043e2.html
docin.com/p-1303181523.html
等,以后再挂再搜。

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