Question

What does determinant of $0$ mean?

Answer 1

Determinant properties:

If a matrix has a determinant $0$ then

1. The determinant has either two same rows or columns or the entities of one column or row are only zero.
2. The matrix is a singular matrix and it cannot be invertible.
3. There is no unique solution to the system of equations from which the matrix is made.
4. The matrix is a zero matrix.

Hence,meaning of determinant of zero is defined