CAIE P1 2018 June — Question 2

Exam BoardCAIE
ModuleP1 (Pure Mathematics 1)
Year2018
SessionJune
TopicBinomial Theorem (positive integer n)
TypeBinomial with negative or fractional powers of x

2 Find the coefficient of \(\frac { 1 } { x }\) in the expansion of \(\left( x - \frac { 2 } { x } \right) ^ { 5 }\).