Question

(n + 3) ! (n - 1)! . (n - 2) ! (n+2) ! simplifique

Answer 1

(n + 3)! / (n - 1)! . (n - 2)! / (n+2) !

(n+3)! / (n+2)! . (n-2)! / (n-1)!

(n+3).((n+2)! / (n+2)! . (n-2)! / (n-1).(n-2)!

(n+3) . 1/(n-1)

n+3 / n-1 ✓