if for matrix A, |A|=3,find |5A|, where matrix A is of order 2×2.
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|A|=3
|5A|=25|A|
(as the terms are taken common in a row of the matrix of order 2)
=25*3
=75
|5A|=25|A|
(as the terms are taken common in a row of the matrix of order 2)
=25*3
=75
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