Question 1 - A-Level Maths

Exam Board	Edexcel
Module	P4 (Pure Mathematics 4)
Year	2024
Session	January
Topic	Generalised Binomial Theorem
Type	Form (1+bx)^n expansion

Find, in ascending powers of $x$ up to and including the term in $x ^ { 3 }$, the binomial expansion of

$$( 1 - 4 x ) ^ { - 3 } \quad | x | < \frac { 1 } { 4 }$$ fully simplifying each term.