binomial coefficient
A municipality of Croatia.
In a chronistic way or manner.
(combinatorics) a coefficient of any of the terms in the expansion of the binomial (x+y)ⁿ, defined by n choose k=(n!)/(k!(n-k)!), read as n choose k
n choose k
plural of snake vine
二項係数は、(x + y)^n の展開における項の係数(n 個から k 個を選ぶ組合せ nCk = n!/(k!(n−k)!) と定義される)として、組合せやパスカルの三角形に関する組合せ論の問題によく現れます。
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