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Given $T = \begin{pmatrix} 2 & 7 \\ 1 & 5 \end{pmatrix}$, determine $T^{-1}$.
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: “Result: $\frac{1}{3}\begin{pmatrix}5 & -7\\-1 & 2\end{pmatrix}$” …
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