Question

ans the question fast​

Answer 1

ANSWER

1. subset

2.reflexive

3.symmetric

EXPLANATION

1. explanation is behind the definition of relation a relation as a ordered pair of subset of A×B

a relation on A is subset of A×A

2.a reflexive relation is defuned as

if a € A then ( a, a) € R

3. a symmetric relation is defined as

if x, y € A and (x, y) €R

then ( y, x) must belongs to R

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