Question: 1. (6pts) Prove that 24 divides n(n-1)(n+1)(n+2) for all integer n.

1. (6pts) Prove that 24 divides n(n-1)(n+1)(n+2) for all integer n.

1. (6pts) Prove that 24 divides n(n-1)(n+1)(n+2) for all integer n.

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