m< n
m > n
m = n
m is not equal to n
If a matrix is equal to its transpose then it is called a ____________ matrix.
Conjugate
Symmetric
Null
Zero
A matrix having only one row is called a ________ matrix.
rectangular
square
column
row
is a scalar matrix, then λ =
0
1
1/3
3
n × 1
1 × n
1/n
( 1+ 1/n ) 2
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
None of these.
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
A matrix in which each element is zero is called a ________ matrix.
Unit matrix
Null matrix
Square matrix
