A 3×3 matrix, whose elements are aij = i+j, is
The value of determinant is
-4
0
1
4
and A2 is an identity matrix, then x =
2
3
If A and B are matrices such that A + B and AB are defined, then
It is not necessary that A and B are of the same size.
A and B are Square matrices of the same order.
No. of columns in A = No.of rows in B
None of these
The value of is
xyz
x + y + z
and AB = I, then x =
-1
-27
-3,1
3,1
3,-1
0,3
