In the matrix A = , write :
(i) The order of the matrix A
(ii) The number of elements
(iii) Write elements a23, a31, a12
For the given matrix,
(i) The order of the matrix A is 3 x 3.
(ii) The number of elements of the matrix = 3 x 3 = 9
(iii) Elements: a23 = x2 – y, a31 = 0, a12 = 1