3. Find the Cartesian equation of the following planes: (c) r . [(s – 2t)i + (3 – t)j + (2s + t) k] = 15 3. Find the Cartesian equation of the following planes: (c) r . [(s - 2t)i + (3 - t)j + (2s + t) k] = 15 November 15, 2021 Category: Chapter 11 - 3D Geometry , Maths , NCERT Exemplar Class 12 , Facebook Messenger WhatsApp Share this:TwitterFacebook Related