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iTeachChem•15mo ago

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relations and functions class 12 , can someone explain the answer

solved link: https://www.sarthaks.com/200182/show-that-the-relation-in-the-set-defined-by-if-2-d-2-b-2-c-2-a-b-c-d-n-is-an-equivalence-relation

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Show that the relation R in the set N x N defined by (a,b) R (c,d) ...

Show that the relation R in the set N x N defined by (a,b) R (c,d) if a2 + d2 =b2 + c2 ∀ a, b, c, d ∈ N, is an equivalence relation.