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Find the determinant of a 2 × 2 matrix

DIFFICULTYintrostandardchallengeexam
Question 1 of 8

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Consider the 2 × 2 matrix \(A\)

\[A = \begin{bmatrix} 9 & 8 \\ 6 & 7 \end{bmatrix}\]
2 marks

Calculate \(\det(A)\)