# Relations and Functions Class 12 Notes

## Class 12 Maths Chapter 1 Relations and Functions Notes – PDF Download

A function is a relation in which each input has only one output. In the relation, y is a function of x, because, for each input x (1, 2, 3, or 0), there is only one output y. x is not a function of y, because the input y = 3 has multiple outputs: x = 1 and x = 2. Know More about these in Relations and Functions Class 12 Notes.

The topics and sub-topics covered in Relations and Functions Class 12 Notes are:

1.1 Introduction

1.2 Types of Relations

1.3 Types of Functions

1.4 Composition of Functions and Invertible Function

1.5 Binary Operations.

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