Binomial Theorem
Binomial Theorem
IP 4
In \((1+kx)^6\), where \(k>0\), the ratio
\[\text{coefficient of}\hspace{0.5em}x^2:\text{coefficient of}\hspace{0.5em}x^3\]is \(3:8\). Find \(k\).
Solution:
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Answer:\(k=2\).
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