Question: Prove by induction that for every integer n 2, 1 2 + 2 3 + + (n 1) n = (((n1)n(n+1))/(3))

Prove by induction that for every integer n 2, 1 2 + 2 3 + + (n 1) n = (((n1)n(n+1))/(3))

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