Question

3 2
7. If A=
1 0
and B =
0 5
find each of the following and state it they are equal
1 2
(i) (A + B) (A - B)
(ii) A2 - B2​

Answer 1

3 2

7. If A=

1 0

and B =

0 5

find each of the following and state it they are equal

1 2

(i) (A + B) (A - B)

(ii) A2 - B2

Answer 2

Answer:

Yes they are equal .

Step-by-step explanation:

1)(A+B)(A-B) = (10+5)(10-5)

=(15)(5)

=75

2) A^2 - B^2 = 10^2 - 5^2

=100 - 25

=75

Hope it helps.