If A = [[0, −5], [5, 0]], then A is a:
If A = [[0, −5], [5, 0]], then A is a:
- A. Skew-symmetric matrix
- B. Symmetric matrix
- C. Diagonal matrix
- D. Scalar matrix
Answer: A) Skew-symmetric matrix
Explanation: A' = [[0, 5], [−5, 0]] = −A. Also, diagonal entries are 0. So A is skew-symmetric.
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