(a)[2]
Find the matrix $A^2$.
(b)[2]
Find the matrix $X$ that satisfies the equation $X \begin{pmatrix}2 & 1 \\ -3 & -2\end{pmatrix} = (0\; 2)$.
Mathematics 4024 · O Level · Algebraic manipulation
Algebraic manipulation — practice question
Matrix $A$ is given by $A = \begin{pmatrix}2 & 1 \\ -3 & -2\end{pmatrix}$.
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This 4-mark question has a full step-by-step worked solution and mark scheme. One marking point: “Hence the identity matrix is $\begin{pmatrix}1&0\\0&1\end{pmatrix}$.” …
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