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If S(n) = ""^(n)C(0) ""^(n)C(1) + ""^(n...

If ` S_(n) = ""^(n)C_(0) ""^(n)C_(1) + ""^(n)C_(1) ""^(n)C_(2) + ...+ ""^(n)C_(n-1) ""^(n)C_(n) ` and if
` (S_(n+1))/(S_(n)) = (15)/(4)` , find n.

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