Prove that the relation R in the set A={1,2,3,4,5,6,7} given by `R={(a,b):|a-b| is even}` is
Channel: Doubtnut
Date: 2020-07-12

Prove that the relation R in the set A={1,2,3,4,5,6,7} given by `R={(a,b):|a-b| is even}` is an equivalence relation.