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