A square matrix A = [a(i,j)] is called skew-symmetric if:
A square matrix A = [a(i,j)] is called skew-symmetric if:
- A. A' = A
- B. A' = −A
- C. a(i,j) = a(i,j) for all i, j
- D. All diagonal elements are 1
Answer: B) A' = −A
Explanation: A skew-symmetric matrix satisfies A' = −A, which implies a(i,j) = −a(j,i) for all i and j.
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