A 2 x 2 null matrix is
________ is the additive identity for 2 x 2 matrices.
To define the product of two matrices AB, the condition is
A and B are of same order
No. of columns in A is equal to no. of rows in B
No. of rows in B is equal to no. of rows in A
None of these
I
0
-A
A
(2 2)
(0 0)
(1,1)
(2 0)
(5 x 2 y)
(5 x + 2 y)
(5+x 2+y)
The given matrix is said to be anti symmetric if
AT=A
AT= -A
AAT=I
A+ AT=I
1/3
3
-3
-4
different from 0 and A
cannot be found
