90. Factorise the following, using the identity a^2 – 2ab + b^2 = (a – b)^2. (vii) a^2y^2 – 2aby + b^2 90. Factorise the following using the identity a^2 – 2ab + b^2 = (a – b)^2. (vii) a^2y^2 – 2aby + b^2 July 27, 2021 Category: Chapter 14 - Factorisation , Chapter 9 - Algebraic Expressions and Identities , Maths , NCERT Class 8 , Facebook Messenger WhatsApp Share this:TwitterFacebook Related