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On (A={1,2,3,4}), (R={(a,b):a+b<8}). (R) is not reflexive because which pair will be absent?(A={1,2,3,4}) पर (R={(a,b):a+b<8}) है। (R) परावर्ती नहीं है क्योंकि कौन सा युग्म अनुपस्थित होगा?
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: ((4,4))((4,4))
Step 1: A reflexive relation also needs ((4,4)). Step 2: For ((4,4)), (4+4=8), but the rule requires (8<8), which is false. Step 3: In strict inequalities, boundary self-pairs may be missing.चरण 1: परावर्ती संबंध में ((4,4)) भी जरूरी है। चरण 2: ((4,4)) के लिए (4+4=8), पर नियम (8<8) नहीं मानता। चरण 3: कठोर असमानता में सीमा पर आने वाला युग्म छूट सकता है।
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