A is square matrix of order 3 and |A|=7 . What is |adj. A|

Asked by Abdul Junaid | 30th Dec, 2013, 08:19: PM

Expert Answer:

We know that:
If A is a nonsingular matrix of order n then |adj.A|=|A|n-1
Thus, |adj.A|=|A|2 = 49

Answered by  | 30th Dec, 2013, 10:42: PM

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