Question

If b+a=101 and b-a=11 what is b&a

Answer 1

Answer:

Here is your answer

please mark me brainiest

Answer 2

Answer:

Now here AB=A and BA=B

BA=B, Multiplying by matrix B, we get

BAB=B2

⇒B(AB)=B2

⇒BA=B2 ... [∵AB=A]

⇒B=B2 ... [∵BA=B]