OCR C4 2013 January — Question 2

Exam BoardOCR
ModuleC4 (Core Mathematics 4)
Year2013
SessionJanuary
TopicGeneralised Binomial Theorem
TypeFactoring out constants first

2 Find the first three terms in the expansion of \(( 9 - 16 x ) ^ { \frac { 3 } { 2 } }\) in ascending powers of \(x\), and state the set of values for which this expansion is valid.