5.What should be taken away from 3x^2–4y^2+5xy+20 to obtain –x^2–y^2+6xy+20 ? 5.What should be taken away from 3x^2–4y^2+5xy+20 to obtain –x^2–y^2+6xy+20 ? October 9, 2020 Category: Chapter 13 - Exponents and Powers , Maths , NCERT Class 7 , Facebook Messenger WhatsApp Share this:TwitterFacebook Related
