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Let A = ⎥ ⎥ ⎥ ⎦ ⎤ ⎢ ⎢ ⎢ ⎣ ⎡ − − 2 1 0 1 2 1 0 1 2 . If |adj(adj(adj2A))| = (16) n , then n is equal to -

1. 8
2. 10
3. 9
4. 12

Correct answer: 10

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