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Timestamps:

0:00 Introduction

2:28.Empty Relation

4:14 Universal Relation

6:57 Reflexive Relations and examples

15:31 Symmetric Relations and examples

25:18 Transitive Relations and examples

31:38. Equivalence Relations

32:25 Ex 1.1 Q1 (i)

36:56 Ex 1.1 Q12

43:05 Functions

44:35 one-one (injective) Function

47:49 many-one (not injective) Function

48:27 Onto (Surjective) Function

53:15 one-one and onto (bijective) Function

53:53 NCERT Example 8

57:35 Ex 1.2 Q2 (i), (ii)

1:02:00 Ex 1.2 Q6

1:03:20 Composition of Functions

1:05:47 Ex 1.3 Q1

1:12:15 Invertible Function

1:15:47 Ex 1.3 Q5

1:19:04 Important Theorems

1:20:00 Binary Operations

1:27:47 Binary Operations: Commutative Property

1:29:10 Binary Operations: Associative Property

1:30:06 Binary Operations: Identity element

1:33:13 Binary Operations: Inverse element

1:35:58 Ex 1.4 Q1 (i), (ii), (iii)

1:37:40 Ex 1.4 Q2 (i)

In this video we will cover:

1.NCERT Class 12 Maths Chapter 1 Relations & Functions

2.Class 12 Maths NCERT solutions chapter 1 Realtions & Functions

3.Class 12 maths chapter 1 Relations & Functions notes

4.Class 12 chapter 1 Relations & Functions

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Relation and Function| CBSE Class 12 Math Relations and Functions|Class 12 NCERT chapter 1 | Types of Relations| Empty Relation| Universal Relation| Reflexive Relation| Symmetric Relation| Transitive Relation| Equivalence Relation| Types of Functions| One -one| Onto | Injective | Surjective| Bijective| Binary Operations| Invertible Functions| NCERT Class 12 Math | Crash Course Class 11 Relations Function | Relations Functions Complete Chapter in 1 video

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