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Find the inverse of a 2 × 2 matrix

DIFFICULTYintrostandardchallengeexam
Question 1 of 8

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The matrix \(M\) is shown below

\[M = \begin{bmatrix} 7 & 3 \\ 2 & 1 \end{bmatrix}\]
4 marks

Find \(M^{-1}\). Give every entry as a whole number

\(M^{-1}\)