• 2022-06-10
    lim[ln(1+x)/x](x->0)
  • lim[ln(1+x)*1/x](x->0)令x=1/nn-->∞原式=lim[nln(1+1/n)](n->∞)=lim[ln(1+1/n)^n](n->∞)=lne=1【书上省略了这个过程】书上第一题的答案过程:lim[ln(1+x)/x]=lim[1/x*ln(1+x)]=lim[[ln(1+x)^(1/x)]=ln[lim(1+x)^(1/x)]=lne=1lim[2arcsin(3x)/x]=lim6x/x=6

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