(a)[2]
Find the matrix $P^2$.
(b)[2]
Find the inverse matrix $P^{-1}$.
Mathematics 0580 · IGCSE · Algebraic manipulation
Algebraic manipulation — practice question
Hence, $P = \begin{pmatrix} 3 & 1 \\ 2 & 4 \end{pmatrix}$.
Worked solution & mark scheme
This 4-mark question has a full step-by-step worked solution and mark scheme. One marking point: “The matrix is $\begin{pmatrix}11 & 7\\14 & 18\end{pmatrix}$.” …
- Full mark scheme, point by point
- Step-by-step worked solution
- Write your answer & get it marked instantly by AI