Question: Prove by mathematical induction: i=1n1i(i+1)=3n(n1)(n+1) For every integer n2

Prove by mathematical induction: i=1n1i(i+1)=3n(n1)(n+1) For every integer n2

Prove by mathematical induction: i=1n1i(i+1)=3n(n1)(n+1) For every integer n2

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