When is a relation R called an equivalence relation?

A. Reflexive, symmetric और transitive / Reflexive, symmetric and transitive

Step 1: Identify equivalence relation. Step 2: An equivalence relation must be reflexive, symmetric and transitive. Step 3: Memory tip: Equivalence relation = RST properties.

Step 1: अवधारणा equivalence relation है। Step 2: equivalence relation के लिए reflexive, symmetric और transitive तीनों properties चाहिए। Step 3: Memory tip: equivalence relation = RST properties।