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On (A={1,2,3,4}), (R) is reflexive. Which pair must be in (R)?(A={1,2,3,4}) पर (R) परावर्ती है। 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, each element of (A) is related to itself. Step 2: Since (4 \in A), ((4,4)) must be present. Step 3: Do not treat pairs with different elements as compulsory.चरण 1: परावर्ती संबंध में (A) का प्रत्येक तत्व अपने साथ जुड़ता है। चरण 2: (4 \in A), इसलिए ((4,4)) अवश्य होगा। चरण 3: अलग तत्वों वाले युग्मों को अनिवार्य न मानें।
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