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A, M^-1 = [3 7]
[2 5]
matrix help
\(\text{Formula: $\boxed{MM^{-1}=I}$}\)
\(\begin{bmatrix} 5&-7\\ -2 & 3 \end{bmatrix} \begin{bmatrix} 3&7\\ 2 & 5 \end{bmatrix} = \begin{bmatrix} 1& 0\\ 0 & 1 \end{bmatrix} \)
so A
