The leading member of the determinant is alla22a33ï¿½ï¿½ï¿½ann, and corresponds to the principal diagonal of the matrix.

Hence the product determinant has the principal diagonal elements each equal to A and the remaining elements zero.

The leading member of the determinant is alla22a33Ã¯¿½Ã¯¿½Ã¯¿½ann, and corresponds to the principal diagonal of the matrix.