Question: Use mathematical induction to prove (for all integers n > 0): P(n): 1 + 3 + 6 + ... + n(n+1)/2 = n(n+1)(n+2)/6

Use mathematical induction to prove (for all integers n > 0): P(n): 1 + 3 + 6 + ... + n(n+1)/2 = n(n+1)(n+2)/6

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