SOLUTION: The binomial (1+kx)^n where n>3. The coefficient of x^2 and x^3 are equal. Find k in terms of n

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Question 1071260: The binomial (1+kx)^n where n>3. The coefficient of x^2 and x^3 are equal. Find k in terms of n
Answer by Edwin McCravy(20056)   (Show Source): You can put this solution on YOUR website!
The terms in x3 and k2  in 
the expansion of (1+kx)n  are respectively

 and 

The coefficients are

 and 

Since they are equal,

















Edwin

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