Relations and Functions (Class 12 Maths): Types, Composition and Inverse Explained
Class 12 · Mathematics Relations and Functions (Class 12 Maths): Types, Composition and Inverse Explained The first chapter of the year, and the one most students underestimate — the definitions here are used as tools for the rest of the syllabus. Class 12 · Mathematics · CBSE & ISC · Published 28 August 2026 In short: Relations and Functions rewards precision rather than cleverness. Nearly every question asks you to prove something satisfies a definition, so the marks go to students who state the definition, test it properly, and write the proof in a structured way. Vague answers lose marks…