Binomial Theorem - Finding Parameters in Binomial Expansions
Binomial Theorem - Finding Parameters in Binomial Expansions
IP 4
The first three terms in the binomial expansion \({{\left( 1+kx \right)}^{n}}\)are \(1+5x+\frac{45}{4}{{x}^{2}}+...\,.\) Find value of \(n\) and \(k.\)
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Answer:\(n=10,\ k=\frac{1}{2}\)
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