# binomial theorem

the theorem giving the expansion of a binomial raised to any power.

## Origin of binomial theorem

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## Words Nearby binomial theorem

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

## How to use binomial theorem in a sentence

You might as well try to rush the Proof of the

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*binomial theorem*be, especially one whose author is Newton, the great English mathematician who weighed the worlds?The Life of the Fly | J. Henri FabreExpand each term by the

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## British Dictionary definitions for binomial theorem

a mathematical theorem that gives the expansion of any binomial raised to a positive integral power, n . It contains n + 1 terms: (x + a) n = x n + nx n – 1 a + [ n (n –1)/2] x n – ² a ² +…+ (n k) x n – k a k + … + a n, where (n k) = n !/(n–k)! k !, the number of combinations of k items selected from n

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

## Scientific definitions for binomial theorem

The theorem that specifies the expansion of any power of a binomial, that is, (a + b)m. According to the binomial theorem, the first term of the expansion is xm, the second term is mxm-1y, and for each additional term the power of x decreases by 1 while the power of y increases by 1, until the last term ym is reached. The coefficient of xm-r is m![r!(m-r)!]. Thus the expansion of (a + b)3 is a3 + 3a2b + 3ab2 + b3.

The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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