# DM - Functions & Relations -Q11

+1 vote

Suppose that R1 and R2 are two equivalence relations on non empty set A then which of the following statements is necessarily true?

. is an equivalence relation

. is an equivalence relation

. is an equivalence relation

Which of the following statements is true?

(A). Only

(B). Only

(C). Only and

(D). Only

reshown 6 days ago

$R1 \oplus R2$ is not reflexive.
Please note that $\oplus$ is symmetric difference operator.
$R1 \oplus R2$ is {(1,2),(2,1) }, which is not reflexive.