Binomial Theorem - Finding Parameters in Binomial Expansions
Binomial Theorem - Finding Parameters in Binomial Expansions
IP 4
In the expansion of \({{(2+5x)}^{n}}\), the coefficients of \({{x}^{2}}\) and \({{x}^{3}}\) are in the ratio \({1:5}\), find the value of \({n}\).
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Answer:\(n=8\)
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