In this video I show you how to use mathematical induction to prove the sum of the series for ∑r²

The method of induction:

  • Start by proving that it is true for n=1, then assume true for n=k and prove that it is true for n=k+1. If so it must be true for all positive integer values of n.
Proof by Induction : Sum of series ∑r² | ExamSolutions - youtube Video