Question

Resolva a conta a seguir: (n+5)!/(n+4)!​

Answer 1

Resposta:

5! 5.4.3.2.1 certo?! ou

5! 5. (5-1). (5-2).

(5-3). (5-4) 5! 5. (5-1). (5-2)! (n-4)!=(n-4). (n-5)! (n-5)! / [(n-4). (n-5)! ] = n-4