If we define a relation R on the set N N as (a, b) ,R ,(c, d) a+d=b+c for all (a, b), (c, d) N N, then the relation is

NDA 2017 Mathematics question

If we define a relation R on the set as for all , then the relation is

Answer: (C)

The condition means . Reflexive: . Symmetric: $a-b = c-d ⇒ c-d

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Question ID VK-028713