设y=x5+5x一tan(x2+1),则y’=________.

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问题 设y=x5+5x一tan(x2+1),则y’=________.

选项

答案5x4+5xln5一2xsec2(x2+1).

解析 y’=5x4+5xln5一2xsec2(x2+1).
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