Q. 545.0( 1 Vote )

State True or False for the statements

|adj. A| = |A|2, where A is a square matrix of order two.

Answer :

False

We know that if A is a square matrix of order n, then |adj A| = |A|n-1


Here n =2,


|adj A| = |A|n-1 = |A|


Hence the statement is false.


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