Question: 2. Suppose n is an arbitrary integer. (a) Show that n(n +1) is divisible by 2. (b) Show that n(n+1) (n +2) is divisible by

2. Suppose n is an arbitrary integer. (a) Show that n(n

2. Suppose n is an arbitrary integer. (a) Show that n(n +1) is divisible by 2. (b) Show that n(n+1) (n +2) is divisible by 3

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