Pascal's triangle

noun Pas·cal's triangle \ pa-ˈskalz- , pä-ˈskälz- \

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

in the meaning defined above

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