# 2. Relations and Functions

##### 6 LECTURES

• This page has links to complete syllabus of NCERT Chapter 2 Relations and Functions based on syllabus recommended by CBSE based on class 11 maths.
• There are 6 video lectures having explanations from basic to advance concepts, each and every NCERT solutions, questions and all important examples. You can access them directly from the lecture menu or just scroll down the page.
• All lecture were uploaded on YouTube so for better learning experience here you will find link to YouTube Playlist of Chapter 2 Relations and Functions.
• Also, there are detailed highlights of each video lecture with exact timestamp links so that you can easily access all topics and questions directly.
• Just click on the timestamp link and you will be redirected to video watch page at exactly that time.

##### 2(A) || Exercise 2.1

00:01:33 Operations on Sets (revision)

00:03:25 Multiplication of Sets (Cartesian Products)

00:05:01 Ordered Pairs

00:09:01 NCERT Exercise 2.1 Question 1

00:10:08 Properties of Cartesian Product

00:13:48 NCERT Exercise 2.1 Question 3

00:16:08 NCERT Exercise 2.1 Question 2

00:17:18 NCERT Exercise 2.1 Question 4

00:19:58 NCERT Exercise 2.1 Question 5

00:23:28 NCERT Exercise 2.1 Question 6

00:24:48 NCERT Exercise 2.1 Question 7

00:30:28 NCERT Exercise 2.1 Question 8

00:35:18 NCERT Exercise 2.1 Question 9

00:37:08 NCERT Exercise 2.1 Question 10

##### 2(B) || Exercise 2.2

00:00:56 Meaning of Relations

00:08:16 Relation is a subset of cartesian product

00:09:56 Meaning of Domain, Range and Codomain of a relation

00:16:36 NCERT Exercise 2.2 Question 1

00:21:16 NCERT Exercise 2.2 Question 2

00:24:26 NCERT Exercise 2.2 Question 3

00:27:36 NCERT Exercise 2.2 Question 4

00:29:56 NCERT Exercise 2.2 Question 5

00:34:46 NCERT Exercise 2.2 Question 6

00:37:36 NCERT Exercise 2.2 Question 7

00:38:56 NCERT Exercise 2.2 Question 8

00:41:06 NCERT Exercise 2.2 Question 9

##### 2(C) || Domain of a Function

00:00:48 Importance of Functions in mathematics

00:02:22 Meaning of Function in maths, Difference between relation and function

00:06:22 Meaning of Domain, Range and Codomain of a function

00:14:42 NCERT Exercise 2.3 Question 1

00:20:52 NCERT Exercise 2.3 Question 3

00:22:02 NCERT Exercise 2.3 Question 4

00:25:44 Detailed explanation on finding domain of a function through various extra questions from NCERT exemplar, CBSE Support material and other books

##### 2(D) || Exercise 2.3

00:00:20 Basic Explanations on critical points (neutral points, not defined points) which is the base for Class 11 and Class 12 maths.

For detailed explanations on Critical Points watch these videos:

(Part 1) || Important Maths concepts for Class 11, Class 12, IIT JEE || Inequalities and Modulus https://www.youtube.com/watch?v=4r4sH…

(Part 2) || Important Maths concepts for Class 11, Class 12, IIT JEE || Inequalities and Modulus https://www.youtube.com/watch?v=1XqMz…

00:25:01 Detailed explanation on finding domain and range of a function through various extra questions from NCERT exemplar, CBSE Support material and other books

##### 2(E) || Exercise 2.3

00:03:55 Chapter 2 Miscellaneous Exercise Question 3

00:06:45 Chapter 2 Miscellaneous Exercise Question 5

00:12:55 NCERT Exercise 2.3 Question 2 part (i)

00:16:05 Chapter 2 Miscellaneous Exercise Question 4

00:29:35 NCERT Exercise 2.3 Question 2 part (ii)

00:38:45 NCERT Exercise 2.3 Question 5

00:50:35 Chapter 2 Miscellaneous Exercise Question 6

##### 2(F) || Miscellaneous Exercise

00:01:30 Chapter 2 Miscellaneous Exercise Question 1

00:07:33 Chapter 2 Miscellaneous Exercise Question 2

00:08:53 Chapter 2 Miscellaneous Exercise Question 7

00:11:43 Chapter 2 Miscellaneous Exercise Question 8

00:15:33 Chapter 2 Miscellaneous Exercise Question 10

00:17:43 Chapter 2 Miscellaneous Exercise Question 12

00:22:53 Chapter 2 NCERT Example 22

Remaining questions of Chapter 2 is with first lecture of Trigonometry 3(A). https://www.youtube.com/watch?v=9VTPf…

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