2. 考研
  3. 设xn=1/(n2+1)+1/(n2+2)+1/(n2+3)+…+1/(n2+n),求极限xn.

设xn=1/(n2+1)+1/(n2+2)+1/(n2+3)+…+1/(n2+n),求极限xn.

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问题 设xn=1/(n2+1)+1/(n2+2)+1/(n2+3)+…+1/(n2+n),求极限xn.
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考研数学一

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