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Vectors and matrices — Question 12

QCAA 2023, Paper 1 · 5 marks

Q12 · 2023 · Technology-freeSimple familiar5 marks

QUESTION 12 (5 marks)

Given A=(1−212)A=\begin{pmatrix}1&-2\\1&2\end{pmatrix}, B=(0213)B=\begin{pmatrix}0&2\\1&3\end{pmatrix} and C=(−1−103)C=\begin{pmatrix}-1&-1\\0&3\end{pmatrix}, determine XX in the matrix equation XA−XC=BXA-XC=B.
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