A square matrix A = [a(i,j)] is said to be symmetric if:
A square matrix A = [a(i,j)] is said to be symmetric if:
- A. A' = −A
- B. A' = A
- C. A = O
- D. A = I
Answer: B) A' = A
Explanation: A symmetric matrix is equal to its transpose, meaning a(i,j) = a(j,i) for all possible values of i and j.
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