OCR MEI C4 2011 January — Question 3

Exam BoardOCR MEI
ModuleC4 (Core Mathematics 4)
Year2011
SessionJanuary
TopicGeneralised Binomial Theorem
TypeSeries expansion of rational function
3 Find the first three terms in the binomial expansion of \(\frac { 1 } { ( 3 - 2 x ) ^ { 3 } }\) in ascending powers of \(x\). State the set of values of \(x\) for which the expansion is valid.
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