# NCERT Solutions for Class 12 Maths Chapter 1 Exercise 1.1

NCERT Solutions for Class 12 Maths Chapter 1 Exercise 1.1 Relations and Functions in Hindi Medium as well as English Medium updated for new academic session 2020-2021 download in PDF file format free.

These NCERT Solutions and Offline apps are applicable for the students of (CBSE Board, UP Board – intermediate, Bihar Board – Senior Secondary, Uttarakhand Board and other Boards) following NCERT Books 2020-2021 as a course book.## NCERT Solutions for Class 12 Maths Chapter 1 Exercise 1.1

Class: 12 | Maths (English and Hindi Medium) |

Chapter 1: | Exercise 1.1 |

### 12th Maths Exercise 1.1 Solutions

NCERT Solutions for Class 12 Maths Chapter 1 Exercise 1.1 Relations and Functions in English and Hindi Medium are given below free to download in PDF. All NCERT Solutions based on latest NCERT Books 2020-21 are available to download as well as view online. If you have doubts regarding to NIOS Board or CBSE Board, please visit to discussion forum to ask your doubts.

### Class 12 Maths Exercise 1.1 Solutions in Hindi & English

#### Class 12 Maths Exercise 1.1 Solution in Videos

#### About 12 Maths Exercise 1.1

In Exercise 1.1, the questions are based on Equivalence Relations. If any Relation is Reflexive, Symmetric and Transitive, it is called Equivalence Relation. If we have to prove that the function is not Equivalence, then one of the above condition must be false.

##### Important Terms related to Exercise 1.1

1. Reflexive Relation: Relation R defined on set A is said to be reflexive if (a, a) ∈ R ∀ a∈ A.

2. Symmetric Relation: Relation R defined on set A is said to be symmetric iff (a, b) ∈ R ⇨ (b, a) ∈ R ∀ a, b, ∈ A.

3. Transitive Relation: Relation R defined on set A is said to be transitive if (a, b) ∈ R, (b, c) ∈ R ⇨(a, c) ∈ R ∀ a, b, c ∈ A.

4. Equivalence Relation: A relation defined on set A is said to be equivalence relation if it is reflexive, symmetric and transitive.

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