If A is a 3×3 matrix with |A| = 2, find the value of |adj(adj A)|.
If A is a 3×3 matrix with |A| = 2, find the value of |adj(adj A)|.
- A. 4
- B. 8
- C. 16
- D. 2
Answer: C) 16
Explanation: The formula is |adj(adj A)| = |A|^((n-1)²). Here n=3, so |adj(adj A)| = 2^((3-1)²) = 2⁴ = 16.
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