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If (A={1,2}) and (B={a,b,c}), how many relations are there from (A) to (B)?यदि (A={1,2}) और (B={a,b,c}) हों, तो (A) से (B) में कुल संबंधों की संख्या कितनी है?
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: (2^6=64)(2^6=64)
(A\times B) has (2\times 3=6) pairs, so the number of relations is (2^6=64). In exams, relations are counted as subsets.(A\times B) में (2\times 3=6) युग्म हैं, इसलिए संबंधों की संख्या (2^6=64) है। परीक्षा में संबंध की गिनती उपसमुच्चयों से होती है।
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