1
ω
ω2
0
The minor of 2 in is
2
-3
3abc
A
B
I
The order of matrix B = [1 2 5 7] is
1× 4
4 × 1
2 × 1
1 × 1
1, 2, 3
5, 6, 7
-1, 2, -3
-1, 3, -2
If n ≠ 3k, 1, ω, ω2 are cube roots of unity ,then
The Solution of is
x = 1
x = 2
x = 3
x = 0
3
