# Pascal's triangle

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

## Origin of Pascal's triangle^{}

named after Pascal

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# Pascal's triangle

- 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

C17: named after Blaise Pascal

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
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