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Tetrahedral Numbers: Sum of 'n' Consecutive Triangular Numbers: Proof
In this video I go over tetrahedral numbers and provide a proof of their formula using mathematical induction. This video was requested by Dominic from Strode College in the UK, and is a good follow-up from my earlier video on the sum of consecutive integers. A tetrahedral number is a number that can be visually represented as 3 sided pyramid ...
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