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Omegamatrix's Blog



Multiplying Two Integers (The Story of Maths)

Posted by Omegamatrix, in Math General 27 February 2016 · 538 views

I was watching The Story of Maths  on Netflix. One of the episodes discussed how ancient people discovered (example below):
 
4*6 = (5^2) - 1
 
or:
a*b = (a+1)^2 - 1, when b = a+2
 
The pattern here is that 4, 5, and 6 are all sequential integers. They also proved this pattern was valid for all integers. I found this interesting and ma...





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