9000140503

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Project ID: 
9000140503
Accepted: 
1
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0
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Zjednodušte pre \(n\in \mathbb{N}\). \[ \frac{(n + 1)! + (n - 1)!} {n!} \]
\(\frac{n^{2}+n+1} {n} \)
\(2\)
\(n^{2} - 1\)
\(\frac{n^{2}-n+1} {n} \)