A) \[det\text{ }A\]
B) \[1\]
C) \[{{(det\text{ }A)}^{2}}\]
D) \[{{(det\text{ }A)}^{-1}}\]
Correct Answer: A
Solution :
det \[({{A}^{-1}}\,adj\,\,A)\] =det \[({{A}^{-1}})\,\det \,(adj\,A)\] \[={{(\det \,A)}^{-1}}\,\,{{(\det \,\,A)}^{3-1}}\] \[=\det \,A\]You need to login to perform this action.
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