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Find the inverse of $\begin{pmatrix} 3 & -2 \\ 1 & 2 \end{pmatrix}$.
Mathematics 4024 · O Level · Algebraic manipulation
Algebraic manipulation — practice question
Worked solution & mark scheme
This 2-mark question has a full step-by-step worked solution and mark scheme. One marking point: “So the inverse is $\frac{1}{8}\begin{pmatrix}2&2\\-1&3\end{pmatrix}$.” …
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