Solve this following

Question:

If $A=\left[\begin{array}{ll}3 & 2 \\ 7 & 5\end{array}\right]$ and $B=\left[\begin{array}{ll}6 & 7 \\ 8 & 9\end{array}\right]$, verify that $(A B)^{-1}=B^{-1} A^{-1}$

Solution:

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