Practicing Success
Practicing Success
CUET Preparation Today
If A is a square matrix of order 3 such that |A|=2, then |adj (adj A)| is : |
0 2 16 -16 |
16 |
The correct answer is Option (3) → 16 $|A|=2$ order = 3 $|adj\,A|=|A|^{3-1}=2^2=4$ so $|adj\,adj\,A|=4^2=16$ |
