Revision Notes For CBSE Class 11 Maths Chapter 2 Relations and Functions

Class 11 Maths Revision Notes Chapter 2 Relations and Functions comprises all the related information with respect to this chapter.

CBSE Notes Class 11 Maths Chapter 2 Relations and Functions

Let us see what do we understand by relation and function:

  • A “relation” is just a relationship between sets of information. Think of all the people in one of your classes, and think of their heights. The pairing of names and heights is a relation. In relations and functions, the pairs of names and heights are “ordered”, which means one comes first and the other comes second
  • A function is a “well-behaved” relation. Just as with members of your own family, some members of the family of pairing relationships better behave than other. (Warning: This means that, while all functions are relations since they pair information, not all relations are functions. Functions are a sub-classification of relations.)

This note consists of very important topics of this chapter such as relations, functions, algebra of real function. Students will be seeing here notes on the periodic function. The even and odd functions are described comprehensively here along with the range of a function etc. These notes are a must to have with regarding to preparation in exams.

You can find the revision notes of class 11 Maths Chapter 2 Relations and Functions

Also Read:

Functions and Relations: Real Functions & Algebra of Functions Relations and Its Types

Frequently asked Questions on CBSE Class 11 Maths Notes Chapter 2: Relations and Functions


What is a ‘Relation’ in mathematical terms?

In Mathematics, the relation is the relationship between two or more set of values.


What is a ‘Function’ in mathematical terms?

In Mathematics, an expression, rule, or law that defines a relationship between one variable (the independent variable) and another variable (the dependent variable).


What are the uses of ‘Functions’?

Some of the important types of functions are: 1. Many to one function.2. One to one function.3. Onto function.4. One and onto function.5. Constant function.6. Identity function.


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