Question
Fri December 16, 2011 By: Snehal Mehrotra

If A is any matrix such that determinant A = 12, find A(Adj A)

Expert Reply
Fri December 16, 2011
Given: |A| = 12
Now, |A(adj A)| = |A| |adj A| = |A| |A|n-1  where n is the order of matrix.
                                         = 12 (12)n-1 = 12n
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