2.Add: (x) x^2–y^2–1,y^2–1–x^2,1–x^2–y^2 1–x^2–y^2 2.Add: (x) x^2–y^2–1 y^2–1–x^2 October 9, 2020 Category: Chapter 13 - Exponents and Powers , Maths , NCERT Class 7 , Facebook Messenger WhatsApp Share this:TwitterFacebook Related
