Is 0.2 a root of the equation x^2 – 0.4 = 0? Justify. Is 0.2 a root of the equation x^2 – 0.4 = 0? Justify. November 23, 2020 Category: Chapter 4 - Quadratic Equations , Maths , NCERT Class 10 , Facebook Messenger WhatsApp Share this:TwitterFacebook Related