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peakd.com

Tetrahedral Numbers: Sum of 'n' Consecutive Triangular Numbers: Proof

In this video I go over tetrahedron numbers, which are numbers that can be represented as a 3-sided pyramid called a tetrahedron and prove their formula using mathematical induction. Note that this video was requested by Dominic from Strode College in the UK. Let me know if there are topics you would like covered!