2. For any two complex numbers z1 and z2 , prove that Re (z1 z2 ) = Re z1 Re z2 – Imz1 Imz2 2. For any two complex numbers z1 and z2 prove that Re (z1 z2 ) = Re z1 Re z2 – Imz1 Imz2 October 24, 2021 Category: Chapter 5 - Complex Numbers and Quadratic Equations , Maths , NCERT Exemplar Class 11 , Facebook Messenger WhatsApp Share this:TwitterFacebook Related