Let A=3275 and B=6789. Find (AB)-1

Let $A = [\begin{matrix} 3 & 2 \\ 7 & 5 \end{matrix}] a n d B = [\begin{matrix} 6 & 7 \\ 8 & 9 \end{matrix}]$ . Find $(A B)^{- 1}$

Matching exercise

Match the items on the right to the items on the left.

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