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If (R={(1,1),(2,2),(1,2),(2,1)}) on (A={1,2,3}), why is (R) not reflexive?यदि (A={1,2,3}) पर (R={(1,1),(2,2),(1,2),(2,1)}), तो (R) स्वपरक क्यों नहीं है?
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: Because ((3,3)) is missingक्योंकि ((3,3)) नहीं है
Step 1: Reflexivity requires a self-pair for every element of the set. Step 2: (3) is also an element of (A), but ((3,3)) is missing. Step 3: Always look carefully at the original set before judging the relation.चरण 1: स्वपरकता में समुच्चय के हर तत्व का स्वयं युग्म चाहिए। चरण 2: (3) भी (A) का तत्व है, पर ((3,3)) संबंध में नहीं है। चरण 3: दिए गए युग्मों से पहले मूल समुच्चय को ध्यान से देखें।
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