Sir divergent

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Marius Mainea
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Posts: 1077
Joined: Mon May 26, 2008 2:12 pm
Location: Gaesti (Dambovita)

Sir divergent

Post by Marius Mainea »

Fie sirul \( (x_n)_{n\ge1} \) de numere reale definit prin \( x_1=1 \) si \( x_{n+1}=|x_n-\frac{n}{n+1}| \) oricare ar fi \( n\ge 1 \). Aratati ca sirul este divergent.

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