Question

Nilai dari (n+2)! Per n! Adalah

Answer 1

Verified answer

Materi Faktorial

(n+2)! / n!
= (n+2)(n+1)n! / n!
(coret n!)
= (n+2)(n+1) = n^2 + 3n + 2

Answer 2

Verified answer

(n + 2)! / n!
= (n + 2)(n + 2 - 1)(n + 2 - 2)! /n!
= (n + 2)(n + 1) n!/n!
= (n + 2)(n + 1)
= n² + 3n + 2