Q. What is the principle of factorization? (Solved)
1. there exists no inverse for a singular matrix
2. determinant of an identity matrix is one
3. every square matrix can be expressed as a product of a lower triangular matrix and upper triangular matrix
4. every matrix can be expressed as a sum of a skew symmetric and a symmetric matrix
- c. every square matrix can be expressed as a product of a lower triangular matrix and upper triangular matrix