Binomial theorem

English

Noun

1. Template:Lb A formula giving the expansion of a binomial such as $(a+b)$ raised to any positive integer power, i.e. $(a+b{)}^n$. It's possible to expand the power into a sum of terms of the form $a{x}^b{y}^c$ where the coefficient of each term is a positive integer. For example:

   $(x+y{)}^4=x^4+4x^{3}y+6x^2{y}^2+4x{y}^3+y^4.$

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