Question

Simplifique:

n!-(n+1)!
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    n! 

Answer 1

$\boxed{ \frac{n!-(n+1)!}{n!} = \frac{n! - (n+1)*n!}{n!} = \frac{n!*[1-(n+1)]}{n!} =-n+0= -n}$

Espero ter ajudado. :))