If A is ( aij ) m × n and B = ( bjk ) m × p, then order of AB is ___________.
m × n
m × p
p × m
Then 3 A - 4 B =
The number of all possible matrices of order 3 × 3 with each entry 0 or 1 is
27
18
81
512
A matrix A = ( aij ) m × n over the field of conmplex numbers is said to be be a reactangular matrix of ___________.
m = n
m ≠ n
m/n = 1
m - n = 0
then the values of x, y, z, w are ________.
2, 2, 3, 4
2, 3, 1, 2
3, 3, 0, 1
None of these
A = [aij]1×n is a row matrix of order ...........?
n × 1
1 × n
1/n
(1 + 1/n)2
A column matrix has only ____________.
One element
One row with one or more columns
One column with one or more rows
One row and one column
If A and B are symmetric matrices of order n, then ________.
A + B is skew symmetric
A + B is symmetric
A+ B is a diagonal matrix
A + B is a zero matrix
