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Pascal's triangle

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noun Pas·cal's triangle \pas-ˈkalz-, päs-ˈkälz-\

Definition of Pascal's triangle

  1. :  a system of numbers arranged in rows resembling a triangle with each row consisting of the coefficients in the expansion of (a + b)n for n = 0, 1, 2, 3, …



1886

First Known Use of pascal's triangle

1886


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