The vectors are specified as $s = \begin{pmatrix}3\\-1\end{pmatrix}$ and $t = \begin{pmatrix}4\\2\end{pmatrix}$.
(main)[2]
Find $5s - t$.
Worked solution & mark scheme
This 2-mark question has a full step-by-step worked solution and mark scheme. One marking point: “So the answer is $\begin{pmatrix}11\\-7\end{pmatrix}$. ” …