Which of the given values of x and y make the following pair of matrices equal
3
7
5
1
2
3
x
y
x
+




+
−

  , 
0
2
8
4
y −






(A)
1,
7
3
x
y
=−
=
(B) Not possible to find
(C) y = 7,   
32
x
=−
(D)
1
2
3,
3
x
y
−
−
=
=
10 The number of all possible matrices of order 3 × 3 with each entry 0 or 1 is:
(A) 27
(B) 18
(C) 81
(D) 512
3 4  Operations on Matrices
In this section, we shall introduce certain operations on matrices, namely, addition of
matrices, multiplication of a matrix by a scalar, difference and multiplication of matrices 3