Easy -1.8 This is a routine, single-step complex number division requiring only multiplication by the conjugate and simplification—a standard textbook exercise with minimal problem-solving demand. Even for Further Maths, this is straightforward arithmetic with no conceptual challenge beyond basic technique.
1 Find the imaginary part of
$$\frac { 5 + \mathrm { i } } { 1 - \mathrm { i } }$$
Circle your answer.\\
-3\\
-2\\
\hfill \mbox{\textit{AQA Further Paper 2 2022 Q1 [1]}}