12th Mathematics Chapter Study Material English Medium 2021 By S Rajan M Sc M Phil M Ed May 2026

Arjun turned to Chapter 1: Relations and Functions .

It wasn't flashy. It had no “50 Sample Papers” or “Crash Course” stickers. Arjan almost put it back, but the price was just thirty rupees. He shrugged and bought it, more out of pity for the old bookseller than hope. Arjun turned to Chapter 1: Relations and Functions

Two months later, the results came. Arjun scored 95 in Mathematics—his highest mark ever. Arjun turned to Chapter 1: Relations and Functions