If and A + B = 0, then B is
A is of order m x n and B is of order p x q, addition of A and B is possible only if
m = p
n = q
n = p
m = p, n = q
, then the values of a,b,c and d respectively are
-1,0,0,-1
1,0,0,1
-1,0,1,0
1,0,0,0
If , then the values of x and y respectively are
2,0
0,2
0,-2
1,1
If then value of a is
8
4
2
11
then the value of x is
1
If a matrix is of order 2 × 3, then the number of elements in the matrix is
5
6
3
Matrix A[aij]mxn is a square matrix if
m < n
m > n
m = 1
m = n
If(5 x 1) =(20), then x =
7
-7
0
If , then the values of x and y are
5,-4
-5,4
-5,-4
5,4
