6
9
7
-9
1
2
4
3
In the determinant the co factor of element 4 is
10
-10
-4
abc
2abc
3abc
4abc
The roots of equation are
0, 12, 12
0, 12, -12
0, 12, 16
0, 9, 16
The solution of is
x = 1
x = 2
x = 3
x = 0
-5, 2
5, 2
5, -2
-6, 3
The value of the determinant is
0
5
(a + b + c)
(a + b + c)2
(a + b + c)3
(a + b + c) (ab + bc + ca)