A2 - B2
A2 + B2
A2 - B2 + BA + AB
A2 - B2 - AB + BA
The adjoint matrix of
Determinant of a skew symmetric matrix of even order is ________.
Zero
+ ve
1
A non - zero perfect square.
None of these
For any 2 x 2 matrix A, if A ( Adj A ) = then |A| = ______.
0
10
20
100
If K is a scalar and I is the unit matrix of order 3 then obj (KI) =
K3I
K2I
-K3I
-K2I
Null matrix
unit matrix
A
2A
If A, B, C are matrices of order n × n then (ABC)' =
A'B'C'
C'B'A
B'C'A
B'A'C'
