Question

2. The condition that the matrix equation A²B²=
(A-B) (A+B) is
a) A+B=0 6)A-B=0 c)AB=BA d )AB=0​

Answer 1

Step-by-step explanation:

(A-B) (A+B) = A² +AB -BA -B²

ATQ:

A²-B² = A² +AB -BA -B²

So, AB = BA