m< n
m > n
m = n
m is not equal to n
Which one of the following is an identity matrix?
A matrix having only one column is called a _______ matrix.
rectangular
square
column
row
The matrix obtained from a given matrix A by interchanging its rows and columns is called ________ .
Inverse of A
Square of A
Transpose of A
None of these
Which of the following is a square matrix?
A matrix in which each element is zero is called a ________ matrix.
Unit matrix
Null matrix
Square matrix
None of these.
A matrix in which the number of rows is equal to the number of column is called a _______ matrix.
If matrix AB = 0, then
A =0 or B = 0
A = 0 and B =0
It is not necessary that A = 0 or B = 0
