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[函数] 纠结是分离参数 还是不分离参数呢?

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facebooker posted 2019-10-7 21:14 |Read mode
已知函数$f(x)=mx^2(\ln x+\frac{1}{2}),m\leqslant 1$,要使$f(x)>x\ln x$恒成立,求实数$m$的取值范围。

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