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In the relation (R={(1,2),(2,1),(3,3),(4,4)}), how many pairs are equal to their own reverses?संबंध (R={(1,2),(2,1),(3,3),(4,4)}) में कितने युग्म ऐसे हैं जो अपने ही उल्टे हैं?
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Correct answer:सही उत्तर: 22
Step 1: A pair is equal to its own reverse when both entries are the same. Step 2: Here ((3,3)) and ((4,4)) are such pairs. Step 3: Do not count ((a,b)) and ((b,a)) as self-reverse when (a \neq b).चरण 1: अपने ही उल्टे युग्म वे होते हैं जिनमें दोनों स्थानों पर समान तत्व हों। चरण 2: यहाँ ((3,3)) और ((4,4)) ऐसे युग्म हैं। चरण 3: ((a,b)) और ((b,a)) को अपने ही उल्टे न मानें जब (a \neq b) हो।
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