[obm-l] Mais uma legal

To: obm-l@xxxxxxxxxxxxxx
Subject: [obm-l] Mais uma legal
From: Marcos Martinelli <mffmartinelli@xxxxxxxxx>
Date: Tue, 6 Dec 2005 20:00:30 -0200
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Seja n natural maior ou igual que 2. Provar que 1/(n+1)*Somatório(1<=k<=n)[1/(2*k-1)]>1/n*Somatório(1<=k<=n)[1/(2*k)]. Um abraço!