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Pascal's triangle

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

Definition of PASCAL'S TRIANGLE

:  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, …

First Known Use of PASCAL'S TRIANGLE

1886

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April 27, 2015
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