William L. Hosch
Former Encyclopædia Britannica Editor
William L. Hosch was an editor at Encyclopædia Britannica.
Primary Contributions (151)
Pascal’s triangle, in algebra, a triangular arrangement of numbers that gives the coefficients in the expansion of any binomial expression, such as (x + y)n. It is named for the 17th-century French mathematician Blaise Pascal, but it is far older. Chinese mathematician Jia Xian devised a triangular…
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