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BINOMNI KOEFICIJENTI

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MULTINOMNI TEOREM I <strong>KOEFICIJENTI</strong><br />

Teorem 11 (Multinomni teorem)<br />

Neka su k,n ∈ N. Tada ∀x 1, . . . , x k ∈ C vrijedi<br />

(x 1 + x 2 + . . . + x k ) n = ∑ ( )<br />

n<br />

x n 1<br />

1<br />

n 1,n 2, . . . , n xn 2<br />

2 · · · xn k<br />

k<br />

k<br />

pri čemu se sumira po svim k-torkama (n 1, . . . , n k ), n i ≥ 0, i = 1, . . . , k, takvim da je<br />

n 1 + . . . + n k = n.<br />

() 21. studenog 2011. 26 / 27

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