Easy -1.8 This is a straightforward recall question requiring only the binomial coefficient formula C(4,1) × 3³ × x¹ = 108, with the answer provided in multiple choice format. It tests basic knowledge of binomial expansion with no problem-solving or multi-step reasoning required.
Find the coefficient of the $x$ term in the binomial expansion of $(3 + x)^4$
Circle your answer.
[1 mark]
12 27 54 108
\hfill \mbox{\textit{AQA AS Paper 1 2021 Q1 [1]}}