(1-1/n)(1-2/n)…(1-k/n)的极限
(1-1/n)(1-2/n)…(1-k/n)的极限
数列极限 lim[kn^2/n-n^2/(n+1)-n^2/(n+2)-...-n^2/(n+k)]
求[ n^2(k/n-1/(n+1)-1/(n+2)- .-1/(k+1)] 的极限的值
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求极限limn→∞(n^2)*(k/n -1/(n+1)-1/(n+2)...-1/(n+k)
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