How do you simplify ((n+2)!)/((n-1)!)(n+2)!(n−1)!?

1 Answer
F. Javier B.
May 21, 2018

See below

Explanation:

Deploy expresions

((n+2)!)/((n-1)!)=((n+2)(n+1)ncancel(n-1)!)/(cancel(n-1)!)=n(n+1)(n+2)

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