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Pascal's triangle

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noun Mathematics.

a triangular arrangement of the binomial coefficients of the expansion (x + y)n for positive integral values of n.

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Origin of Pascal's triangle

Named after Pascal
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

How to use Pascal's triangle in a sentence

British Dictionary definitions for Pascal's triangle

Pascal's triangle

noun

a triangle consisting of rows of numbers; the apex is 1 and each row starts and ends with 1, other numbers being obtained by adding together the two numbers on either side in the row above: used to calculate probabilities

Word Origin for Pascal's triangle

C17: named after Blaise Pascal
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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