A) \[{{A}^{-2}}=|A{{|}^{-1}}\]
B) \[{{\left( {{A}^{-2}} \right)}^{-1}}={{\left( {{A}^{-1}} \right)}^{2}}\]
C) \[{{\left( A' \right)}^{-1}}=\left( {{A}^{-1}} \right)'\]
D) None of these
Correct Answer: A
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