Question

A relation R in set A = {1,2,3} is defined as R = {(1, 1),(1, 2),(2, 2),(3, 3)}
Which of the following ordered pair in R shall be removed to make it an equivalence relation in A?
a) (1,1)
c) (2,2)
b) (1,2)
d) (3,3)

This question is in sample paper released bt CBSE on 2nd September 2021

If your answer is (1,2) please explain properly, how?​

Answer 1

Answer:

( 1 , 2 )

Step-by-step explanation:

For relation to be symmetric if R contains ( 1 , 2 ) , it must contain ( 2 , 1 ) .