Answer :

Given determinant is


a32 represents the element of 3rd row and 2nd column of the given determinant.


a32 = 5


Whereas A32 represents the element of co-factor matrix of the given determinant.


A32 is as-


A32 = (-1)3+2 = -(8-30) = 22


A32 = 22


a32.A32 = 5×22 = 110


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