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[函数] 函数零点问题

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力工 posted 2022-4-1 13:25 |Read mode
Last edited by 力工 2022-4-1 13:40某联盟的题(华大3月题)觉得(2)提供的解法不好,请教大佬的想法。
(1)已知函数$f(x)=2e^x-xcosx-sinx,x∈[0,\pi]$,求$f(x)$的最小值;
(2)若关于$x$的方程$mxsinx+x=e^x-1$在区间$[0,\pi]$上有两个实数根,求$m$的范围。
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