Respostas

  • Usuário do Brainly
2014-08-23T18:30:53-03:00
Observe que:

(2n+2)!=(2n+2)(2n+1)!.

Assim, \dfrac{(2n+2)!}{(2n+1)!}=\dfrac{(2n+2)(2n+1)!}{(2n+1)!}=2n+2.

Logo, \dfrac{(2n+2)!}{(2n+1)!}=(2n+2)=\boxed{2(n+1)}.
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