CAIE P1 2011 November — Question 1

Exam BoardCAIE
ModuleP1 (Pure Mathematics 1)
Year2011
SessionNovember
TopicBinomial Theorem (positive integer n)
TypeSingle coefficient given directly
1 The coefficient of \(x ^ { 2 }\) in the expansion of \(\left( k + \frac { 1 } { 3 } x \right) ^ { 5 }\) is 30 . Find the value of the constant \(k\).
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