BINOMIAL THEOREM

noun

: a theorem in mathematics: a binomial may be raised to any power according to (x+y) n = x n +nx (n - 1) y+(n(n - 1)/(1 · 2)) x (n - 2) y 2 +(n(n - 1)(n - 2)/(1 · 2 · 3)) x (n - 3) y 3 + . . .