Question

3 2
a
b
co
(b) IF A=
and B=
find a and b such that
4
1
3
5
AB = BA. Compute 3A + 5B.​

Answer 1

Answer:

A = 3 ,b = 2 ......given that

A + B = 5

A - B =1

AB = BA

(1)(3)A = (5)(1)B

3A + 5B

Hope it helps you.