For the matrix A = [1 2; 3 4], the product A(adj A) equals:
For the matrix A = [1 2; 3 4], the product A(adj A) equals:
- A. |A| I
- B. 0
- C. I
- D. adj A
Answer: A) |A| I
Explanation: Property: A(adj A) = |A| I.
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