Let \[A={{[{{a}_{ij}}]}_{n\times n}}\]be a square matrix and let \[{{c}_{ij}}\]be cofactor of \[{{a}_{ij}}\]in A. If \[C=[{{c}_{ij}}]\],then

Let \[A={{[{{a}_{ij}}]}_{n\times n}}\]be a square matrix and let \[{{c

1.	Let \[A={{[{{a}_{ij}}]}_{n\times n}}\]be a square matrix and let \[{{c}_{ij}}\]be cofactor of \[{{a}_{ij}}\]in A. If \[C=[{{c}_{ij}}]\],then
A.	\[\|C\|\,=\,\|A\|\]
B.	\[\|C\|\,=\,\|A{{\|}^{n-1}}\]
C.	\[\|C\|\,=\,\|A{{\|}^{n-2}}\]
D.	None of these
Answer» C. \[\|C\|\,=\,\|A{{\|}^{n-2}}\]

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Let \[A={{[{{a}_{ij}}]}_{n\times n}}\]be a square matrix and let \[{{c}_{ij}}\]be cofactor of \[{{a}_{ij}}\]in A. If \[C=[{{c}_{ij}}]\],then

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