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A triangular array of numbers made up of the coefficients of the binomial expansion.
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Pascal's triangle is an array of numbers that is constructed by beginning with a row of two ones: 1 1. Each new row after the starts and ends with a one, and the other numbers are formed by adding the numbers above and on either side of them: [ DMTA, p. 322, Precalculus and Discrete Mathematics, UCSMP, p. 610
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A triangular array of binomial coefficients.
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A triangular arrangement of numbers in which each number in any row is the sum of the two numbers immediately above it.
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A triangular arrangement of numbers in which each number is the sum of the two numbers above it in the preceding row.
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A triangular arrangement of numbers in which each row starts and ends with 1, and each other number is the sum of the two numbers above it. (H)                                           10  10
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In mathematics, Pascal's triangle is a geometric arrangement of the binomial coefficients in a triangle. In the English-speaking world, it is named after Blaise Pascal. In some other languages, it is named after mathematicians who studied it centuries before him.
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