| Exam Board | Edexcel |
| Module | F1 (Further Pure Mathematics 1) |
| Year | 2022 |
| Session | January |
| Topic | Matrices |
1.
$$\mathbf { M } = \left( \begin{array} { r r }
3 x & 7
4 x + 1 & 2 - x
\end{array} \right)$$
Find the range of values of \(x\) for which the determinant of the matrix \(\mathbf { M }\) is positive.
VILV SIHI NI IIII M I ON OC
WIHW SIHI NI IIIIM I ON OC
WARV SIHI NI IIII M I ON OC