A) \[A\]
B) \[{{A}^{-1}}\]
C) \[\frac{1}{|A|}A\]
D) \[|A|A\]
E) \[\frac{1}{|A|}{{A}^{-1}}\]
Correct Answer: D
Solution :
\[\because \]For a matrix A of order n. \[Adj(Adj\,A)=|A{{|}^{n-2}}A\] \[\therefore \] For \[n=3\] \[Adj\,(Adj\,A)=|A|A\]
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