Q. 2

A and B are squar

Answer :

We know that,


|AB| = |A||B|


|AB| = 2 × 3 = 6


When a matrix of order n is multiplied by a scalar“α”, the determinant of new matrix becomes “αn” times the determinant of original matrix


i.e. |αA| = αn|A|


|3AB| = 33|AB| = 27(6) = 162


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