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[obm-l] SOMATORIOS



1) Mostre que sum(k=n+1, 2n) 1/k = sum(k=1,2n) (-1)^(k+1) / k.
2)lim(n->inf) sum(k=0, n) k/n^2
3)lim(n->inf) sum (k=0,n) 1/(n+k)^2
4)lim(n->inf) sum (k=0,n) 1/sqrt(n+k)
5)lim(n->inf) sum (k=0,n) 1/sqrt(n^2+k)
 
Agradeço desde já.

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