A) \[1\]
B) \[|A|\]
C) \[|A{{|}^{3}}\]
D) \[|A{{|}^{2}}\]
E) \[|A{{|}^{-1}}\]
Correct Answer: D
Solution :
\[|adj\,A|=|A{{|}^{n-1}}\]where A is of order n. If A is square matrix of order 3 \[\therefore \] \[|adj\,A|=|A{{|}^{2}}\]
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