1. Authorised by CBSE and other state boards: These textbooks are prescribed by the CBSE board, ensuring they comprehensively cover the entire Class 12 Maths syllabus in a systematic manner.

Some questions of this NCERT Class 12th Maths Textbook Chaper 1 - Relations ... Show that the relation R in the set {1, 2, 3} given by R = {(1, 2), (2, 1)} is symmetric but neither reflexive ...