If n is a positive integer, then (n + 2)! A = |(n + 1)! (n + 2)! (n+ 3)! is equal to (n+ 2)! (n + 3)! (n + 4)! n! (n + 1)! (a) 2n! (n+ 1)! (b) 2n! (n+ 3)! (c) 2n! (n + 1)! (n + 2)! (d) 2 (n + 1)! (n+ 2)! (n + 3)!

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