Question

If A, B are two square matrices of order 3x3 which satisfy AB = A and BA = B then (A+B)7 ​

Answer 1

Answer:

AB=A⟹B=I

⇒BA=B⟹A=I

⇒A+B=2I

⇒(A+B)

7

=(2I)

7

=128I

⇒(A+B)

7

=64.2I

⇒(A+B)

7

=64(A+B)

Hence, the answer is 64(A+B).

Step-by-step explanation:

hope this helps u plz mark me as brainlist