A) \[{{d}^{n}}\]
B) \[{{d}^{n-1}}\]
C) \[{{d}^{n+1}}\]
D) \[d\]
Correct Answer: B
Solution :
\[|Adj\,\,A|\,=|A{{|}^{n-1}}={{d}^{n-1}}\].
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