Binomial Theorem
Binomial Theorem
IP 4
The expansion of \((1+ax)^n\) begins \[1-12x+60x^2+\cdots,\] where \(n\) is a positive integer and \(a\) is real.
Find \(n\) and \(a\).
Solution:
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Answer:\(n=6,\ a=-2\).
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