Question

3. Factorise a^2- b^2/
144​

Answer 1

Answer:

(a+ b/11) (a- b/11)

Step-by-step explanation:

a² - b²/144

a² - b²/11²

a² - (b/11)²

Using identity a²-b² =(a+b) (a-b)

a² - (b/11)²

(a+ b/11) (a- b/11)