Thursday, 24 March 2016

Prove that (sumni=1i)2 = sumni=1i3 by induction

Prove that: (ni=1i)2 = ni=1i3




I can use the fact that ni=1i = n(n+1)/2 after the inductive hypothesis is invoked.
I'm not sure where to start, I would usually break down one side but there isn't usually two sums, so I'm not sure.

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