If A is a square matrix of order 3 and |A| = 5, then |adj(adj A)| equals: A. 25 B. 125 C. 625 D. 5 Answer: C) 625 Explanation: |adj A| = |A|² = 25. |adj(adj A)| = |adj A|² = 25² = 625.

imo class 12 determinants

If A is a square matrix of order 3 and |A| = 5, then |adj(adj A)| equals:

VAVidaara Admin Asked 6d ago 0 views 0 answers

If A is a square matrix of order 3 and |A| = 5, then |adj(adj A)| equals:

Answer: C) 625

Explanation: |adj A| = |A|² = 25. |adj(adj A)| = |adj A|² = 25² = 625.

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