Question

Factorise the following using identity
i.(a-b)^2(b-c)^2​

Answer 1

(a-b)^2(b-c)^2

using identity a^2-b^2= (a+b)(a-b)

( a-b)^2 (b-c)^2

(a+b)(a-b) (b-c)^2

(a+b)(a-b)(b+c)(b-c)

(a+b)(a-b)(b+c)(b-c)