Question 2 - A-Level Maths

Exam Board	CAIE
Module	P3 (Pure Mathematics 3)
Year	2024
Session	March
Topic	Generalised Binomial Theorem
Type	Expand and state validity

Find the coefficient of \(x ^ { 2 }\) in the expansion of \(( 2 x - 5 ) \sqrt { 4 - x }\).
State the set of values of \(x\) for which the expansion in part (a) is valid.