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[函数] 已知函数最值求参数方法正误?

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敬畏数学 posted 2024-12-8 12:42 |Read mode
$ f(x)=e^x-lnx+(1-m)x-lnm $的最小值是0,m=___.
$ f(x)=e^x-lnx+(1-m)x-lnm \geqslant ex+x-mx-\frac{1}{e}mx$,等号取得$ x=1,mx=e $,所以m=e.解法正确吗?

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爪机专用 posted 2024-12-8 13:12
看不懂
I am majia of kuing

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