Question

6.
If A = {
-[42], B=( 1 ),D=(
D= [ 2 2];
then verify that
(i) (AB)-1 =B-1A-1
(ii) (DA)-1 = A-D-1
1​

Answer 1

{β<...𤣣©{}®``}][\~••`

Answer 2

Answer:

1.-43, 2.-56

Step-by-step explanation:

If A= - [42]

B = (1)

D = (22)

then verify that-

1. (AB)- 1=B-1 A-1

-42 = 1-1 1-1

-42 = 0

2. (DA) - 1 = A-D-1

22+(-42) = -42-22-1

22-42 = -64-11

-20. = -75

-76-20

-56 Ans.