If A is a square matrix of order 3 with \[\left| A \right|\ne 0,\] then which one of the following is correct?

\[\left| adj\,A \right|={{\left| A \right|}^{3}}\]

\[\left| adj\,A \right|=\left| A \right|\]

\[\left| adj\,A \right|={{\left| A \right|}^{2}}\]

\[{{\left| adj\,A \right|}^{2}}=\left| A \right|\]

If A is a square matrix of order 3 with \[\left| A \right|\ne 0,\] the

1.	If A is a square matrix of order 3 with \[\left\| A \right\|\ne 0,\] then which one of the following is correct?
A.	\[\left\| adj\,A \right\|=\left\| A \right\|\]
B.	\[\left\| adj\,A \right\|={{\left\| A \right\|}^{2}}\]
C.	\[\left\| adj\,A \right\|={{\left\| A \right\|}^{3}}\]
D.	\[{{\left\| adj\,A \right\|}^{2}}=\left\| A \right\|\]
Answer» C. \[\left\| adj\,A \right\|={{\left\| A \right\|}^{3}}\]

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If A is a square matrix of order 3 with \[\left| A \right|\ne 0,\] then which one of the following is correct?

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