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If (R) is reflexive and (A={2,4,6}), which pair must be in (R)?यदि (R) परावर्ती है और (A={2,4,6}), तो इनमें से कौन सा युग्म (R) में अवश्य होगा?
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: ((4,4))((4,4))
Step 1: In a reflexive relation, every element is related to itself. Step 2: Since (4 \in A), ((4,4)) is compulsory. Step 3: Pairs with different elements are not compulsory for reflexivity.चरण 1: परावर्ती संबंध में हर तत्व अपने-आप से संबंधित होता है। चरण 2: (4 \in A), इसलिए ((4,4)) अनिवार्य है। चरण 3: अलग-अलग तत्वों वाले युग्म अनिवार्य नहीं होते।
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