CAIE P1 2024 March — Question 6

Exam BoardCAIE
ModuleP1 (Pure Mathematics 1)
Year2024
SessionMarch
TopicBinomial Theorem (positive integer n)
TypeProduct with unknown constant to determine
6 It is given that the coefficient of \(x ^ { 3 }\) in the expansion of $$( 2 + a x ) ^ { 4 } ( 5 - a x )$$ is 432 .
Find the value of the constant \(a\).
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