Question:
If $A$ is a matrix of order 3 and $|A|=8$, then $|\operatorname{adj} A|=$
(a) 1
(b) 2
(c) $2^{3}$
(d) $2^{6}$
Solution:
(d) $2^{6}$
$|a d j A|=|A|^{n-1}$
$=8^{2}$
$=2^{6}$
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