CAIE P1 2006 June — Question 4

Exam BoardCAIE
ModuleP1 (Pure Mathematics 1)
Year2006
SessionJune
TopicBinomial Theorem (positive integer n)
TypeFirst few terms given find parameters
4 The first three terms in the expansion of \(( 2 + a x ) ^ { n }\), in ascending powers of \(x\), are \(32 - 40 x + b x ^ { 2 }\). Find the values of the constants \(n , a\) and \(b\).
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