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Determine inverse matrices

A=[2286]A=\left[\begin{array}{rr} 2 & 2 \\ -8 & -6 \end{array}\right] and B=[3212212]B=\left[\begin{array}{rr} -\dfrac{3}{2} & -\dfrac{1}{2} \\\\2 & \dfrac{1}{2} \end{array}\right]
Are AA and BB inverses?
Choose 1 answer:
Choose 1 answer: