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[函数] 又遇到求参数的范围问题

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facebooker posted 2020-4-16 17:58 |Read mode

$f(x)=ax\ln x+{\rm e}\left(1-a\right)\ln x-x,x>1$恰有一个零点，则实数$a$的取值范围___

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2025-6-8 07:06 GMT+8

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