设f(x)有连续的导数,f(x)=0,f′(0)≠0,F(x)=,且当x→0时F

昕玥2020-05-20  26

问题 设f(x)有连续的导数,f(x)=0,f′(0)≠0,F(x)=,且当x→0时F′(x)与xk是同阶无穷小,则k等于(  ).A.1B.2C.3D.4

选项

答案C

解析[img]/upload/tiku/479/2052635_1.JPG[/img]
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