The polynomial $p(x)$ is given by $p(x) = 4x^3 + (k + 1)x^2 - mx + 3k$, with $k$ and $m$ as constants.
(main)[3]
Since $(x + 1)$ is a factor of $p(x)$, determine $m$ in terms of $k$.
Worked solution & mark scheme
This 3-mark question has a full step-by-step worked solution and mark scheme. One marking point: “Insert $-1$ into $p(x)$ and set the result equal to zero” …