03) Simplifique as expressões: a) \frac{n!}{(n-1)!} b) \fr...

Simplifique as expressões:

a) \frac{n!}{(n-1)!}

b) \frac{n! \cdot (n+1)!}{n!}

c) \frac{(n+2)! + (n+1)!}{(n-1)! \cdot (n+1)!}

$03) Simplifique as expressões: a) \frac{n!}{(n-1)!} b) \frac{n! \cdot (n+1)!}{n!} c) \frac{(n+2)! + (n+1)!}{(n-1)! \cdot (n+1)!}$

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