If A is square matrix of order 3 and |A|=2,then |adj. A|= ...........
For a square matrix of order n ,
Det (adj A ) = {det ( A )}n-1
here det (A ) = 2 & n = 3
therefore , det ( adj A ) = 22 = 4
Det (adj A ) = {det ( A )}n-1
here det (A ) = 2 & n = 3
therefore , det ( adj A ) = 22 = 4