Question 2 - A-Level Maths

Exam Board	CAIE
Module	P1 (Pure Mathematics 1)
Year	2013
Session	June
Topic	Binomial Theorem (positive integer n)
Type	Product with reciprocal term binomial

2 Find the coefficient of \(x ^ { 2 }\) in the expansion of

\(\left( 2 x - \frac { 1 } { 2 x } \right) ^ { 6 }\),
\(\left( 1 + x ^ { 2 } \right) \left( 2 x - \frac { 1 } { 2 x } \right) ^ { 6 }\).