Question

1+4/3x+4/9x^2 factorise using identities

Answer 1

Answer:

(2x/3 + 1)²

Step-by-step explanation:

1+4/3x+4/9x²

= (1)² + 2(1) (2x/3) + (2x/3)²

= (2x/3 + 1)²  (∵ a² + b² + 2ab = (a+b)²)