求n/(n^2+1)+n/(n^2+2^2)+……+n/(n^2+n^2)在n趋于无穷时的极限求n/(n^2+1^2)+n/(n^2+2^2)+……+n/(n^2+n^2)在n趋于无穷时的极限

Question

求n/(n^2+1) +n/(n^2+2^2)+ ……+n/(n^2+n^2)在n趋于无穷时的极限
求n/(n^2+1^2) +n/(n^2+2^2)+ ……+n/(n^2+n^2)在n趋于无穷时的极限

Answer 1

 
 
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