Question

Factorise the following by using suitable identities

Answer 1

Answer:

(x+y/11)(x-y/11)

Step-by-step explanation:

(x^2) - (y^2/121)

= (x)^2 - (y/11)^2. [IDENTITY (x)^2 - (y)^2]

[ = (x+y)(x-y) ]

= (x+y/11)(x-y/11)