Question

FACTORISE:- a^ 2/ 9 −b^ 2/ 9

Answer 1

Step-by-step explanation:

a²/9-b²/9

= (a/3)²-(b/3)² [Hence,a²-b²=(a+b) (a-b)]

= (a/3+b/3) (a/3-b/3)

Answer 2

Step-by-step explanation:

hope this will help you to solve this problem to get understand by this answer