CBSE Class 11 Mathematics – Relations and Functions

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Study Materials

11th

11th - Mathematics

Relations and Functions

Chapter Overview

This chapter introduces the idea of ordered pairs, Cartesian products, relations, and functions — essential tools used to describe and analyze patterns, relationships, and rules in mathematics and science. It builds the groundwork for calculus, coordinate geometry, and computer science applications.

Important Keywords

  • Ordered Pair: A pair of elements written as (a, b) where the order matters.
  • Cartesian Product: The set of all ordered pairs formed by taking elements from two sets.
  • Relation: A subset of the Cartesian product showing a connection between elements.
  • Domain: The set of all first elements of the ordered pairs.
  • Range: The set of all second elements of the ordered pairs.
  • Function: A special type of relation where every input has exactly one output.
  • Mapping: Visual or mathematical description of a function.

Detailed Notes

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