Question
If $A =\left[\begin{array}{cc}\frac{1}{3} & 2 \\ 0 & 2 x-3\end{array}\right], B =\left[\begin{array}{cc}3 & 6 \\ 0 & -1\end{array}\right]$ and $AB = I$, then $x=$  __________ .

Answer

1

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