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Problem
Problem
If
A
A
A
is a
3
×
3
3 \times 3
3
×
3
matrix and
B
B
B
is its adjoint such that
∣
B
∣
=
64
|B| = 64
∣
B
∣
=
64
, then
∣
A
∣
|A|
∣
A
∣
is equal to a. 64 b.
±
64
\pm 64
±
64
c.
±
8
\pm 8
±
8
d. 18
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