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Prove-that-the-greatest-coefficient-in-the-expansion-of-x-1-x-2-x-3-x-k-n-n-q-k-r-q-1-r-where-n-qk-r-0-r-k-1-




Question Number 22315 by Tinkutara last updated on 15/Oct/17
Prove that the greatest coefficient in  the expansion of (x_1 +x_2 +x_3 +...+x_k )^n   = ((n!)/((q!)^(k−r) [(q+1)!]^r )) , where n = qk + r,  0 ≤ r ≤ k − 1
Provethatthegreatestcoefficientintheexpansionof(x1+x2+x3++xk)n=n!(q!)kr[(q+1)!]r,wheren=qk+r,0rk1

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