CBSE Class 12 Sample Paper for 2021 Boards

CBSE Class 12 Sample Paper for 2020 Boards →
Class 12
Solutions of Sample Papers and Past Year Papers - for Class 12 Boards

Question 3 (Choice 2) - CBSE Class 12 Sample Paper for 2021 Boards - Solutions of Sample Papers and Past Year Papers - for Class 12 Boards

Last updated at August 10, 2026 by

An equivalence relation R in A divides it into equivalence classes š“1,š“2, š“3. What is the value of š“1 āˆŖ š“2 āˆŖ š“3 and š“1 āˆ© š“2 āˆ© š“3

An equivalence relation R in A divides it into equivalence classes A1

Question 3 (Choice 2) - CBSE Class 12 Sample Paper for 2021 Boards - Part 2

Ā 

Remove Ads
Teachoo Ā· Class 12 Explore Class 12

Transcript

Question 3 (Choice 2) An equivalence relation R in A divides it into equivalence classes š“1, š“2, š“3. What is the value of š“1 āˆŖ š“2 āˆŖ š“3 and š“1 āˆ© š“2 āˆ© š“3 Let R = {(1, 1), (2, 2), (3, 3)} be an equivalence relation A1 is the equivalence class containing one element as 1 āˆ“ A1 = {1} A2 is the equivalence class containing one element as 2 āˆ“ A2 = {2} A3 is the equivalence class containing one element as 3 āˆ“ A3 = {3} Now, š“1 āˆŖ š“2 āˆŖ š“3 = {1, 2, 3} And š“1 āˆ© š“2 āˆ© š“3 = šœ™ Similarly, for any equivalence class š“1, š“2, š“3 š“1 āˆŖ š“2 āˆŖ š“3 = A And š“1 āˆ© š“2 āˆ© š“3 = š“

Davneet Singh's photo - Co-founder, Teachoo

Made by

Davneet Singh

Davneet Singh is an IIT Kanpur graduate and has been teaching for 16+ years. At Teachoo, he breaks down Maths, Science and Computer Science into simple steps so students understand concepts deeply and score with confidence.

Many students prefer Teachoo Black for a smooth, ad-free learning experience.