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Problem
Problem
Statement-1
A
A
A
is singular matrix of order
n
×
n
n \times n
n
×
n
, then
adj
A
\text{adj } A
adj
A
is singular. Statement-2
∣
adj
A
∣
=
∣
A
∣
n
−
1
|\text{adj } A| = |A|^{n-1}
∣
adj
A
∣
=
∣
A
∣
n
−
1
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