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[函数] 难解的导数题

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zzzhaoyp posted 2020-3-27 11:25 |Read mode
Last edited by hbghlyj 2025-6-12 14:23已知函数 $f(x)=\sin x-m \ln (x+1)$,且 $f(x)$ 在 $x=0$ 处切线垂直于 $y$ 轴.
(1)求 $m$ 的值;
(2)求函数 $f(x)$ 在 $[0,1]$ 上的最小值;
(3)若 $x^2-a x-\ln x+\mathrm{e}^{\sin x}-1>0$ 恒成立,求满足条件的整数 $a$ 的最大值.
(参考数据 $\sin 1 \approx 0.84, \ln 2 \approx 0.693$ )

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