3. Find the Cartesian equation of the following planes: (b) r.(2i + 3j – 4k) = 1 3. Find the Cartesian equation of the following planes: (b) r.(2i + 3j - 4k) = 1 November 15, 2021 Category: Chapter 11 - 3D Geometry , Maths , NCERT Exemplar Class 12 , Facebook Messenger WhatsApp Share this:TwitterFacebook Related