Question: In Exercises verify the formula. (n + 1)! (n 2)! - = (n + 1)(n)(n-1)

In Exercises verify the formula.

(n + 1)! (n 2)! - = (n + 1)(n)(n-1)

(n + 1)! (n 2)! - = (n + 1)(n)(n-1)

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