If two matrices are conformable for addition, then AB =
A
B
A '
BA
A matrix having only one row 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?
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.
then,
p =6,x = 4
p =3, x = 4
p =4, x = 3
p = 6, x = 2
If a matrix is equal to its transpose then it is called a ____________ matrix.
Conjugate
Symmetric
Null
Zero
n × 1
1 × n
1/n
( 1+ 1/n ) 2
