求极限x→1 lim[ (x^m-1)/(x^n-1) ] (m,n为正整数)我刚接触微积分,

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求极限x→1lim[(x^m-1)/(x^n-1)](m,n为正整数)我刚接触微积分,求极限x→1lim[(x^m-1)/(x^n-1)](m,n为正整数)我刚接触微积分,求极限x→1lim[(x^m

求极限x→1 lim[ (x^m-1)/(x^n-1) ] (m,n为正整数)我刚接触微积分,
求极限x→1 lim[ (x^m-1)/(x^n-1) ] (m,n为正整数)
我刚接触微积分,

求极限x→1 lim[ (x^m-1)/(x^n-1) ] (m,n为正整数)我刚接触微积分,
x→1 lim[ (x^m-1)/(x^n-1) ] =x→1 lim(x-1)(x^(m-1)+x^(m-2)+……+1)/[(x-1)(x^(n-1)+x^(n-2)+……+1)=x→1 lim(x^(m-1)+x^(m-2)+……+1)/(x^(n-1)+x^(n-2)+……+1)=m/n