Answer: a skew-symmetric one.
- A a skew-symmetric one
- B a diagonal matrix
- C a scalar matrix
- D a null matrix
Correct answer: A. a skew-symmetric one
Explanation: A = ½(A + Aᵀ) + ½(A − Aᵀ), the sum of a symmetric and a skew-symmetric part.
Element aij of matrix A sits at the intersection of row i and column j.
Concept context
Matrix operations, determinants, inverses, and solving linear systems