If A is ( aij ) m × n and B = ( bjk ) m × p, then order of AB is ___________.
m × n
m × p
p × m
If the matrix AB is zero, then _________.
A = 0 or B = 0
A = 0 and B = 0
It is not necessary that either A = 0 or B should be 0
All the above statements are wrong
Then 3 A - 4 B =
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
A matrix is _______.
A collection of real numbers
A collection of real or complex numbers
An array of real numbers
An array of real or complex numbers