4
x + y + z
x y z
0
If -9 is the root of the equation then other two roots are
2, 7
-2,7
-2, -7
2, -7
3I
5I
-5I
-3I
1
2
3
A
-A
null matrix
I
The roots of equation are
0, 12, 12
0, 12, -12
0, 12, 16
0, 9, 16
A 3×3 matrix, whose elements are aij = i+j, is
If and 4A - 3B + C = 0 matrix C =
If AB = C then matrix A,B,C are
A2×3, B3×2, C2×3
A3×2, B2×3, C3×2
A3×3, B2×3, C3×3
A3×2, B2×3, C3×3
