Question

" I need help " Evaluate (n+2)!/(n-1)! leaving your answer in factorized form.

Answer 1

Please guys !

Answer 2

(n+2)(n+1)n

Answer 3

Ex cause me , How ?

Answer 4

(n+2)!=(n+2)(n+1)(n)(n-1)(n-2)...(3)(2)(1)
=[(n+2)(n+1)(n)]*(n-1)!