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-- Mathematics - Section A
Determinants
If A is a square matrix of order 3 and |A| = 5. then the value of |A. adj A|, is
5
15
125
625
|A| = 5
|Adj.A| = |A|(3-1) = |A|2 = 25
|A.Adj.A| = |A|.|Adj.A| =$ 5 \times 25 = 125$