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If (A={1,2}) and (B={3,4,5}), which subset of (A\times B) can be called a function from (A) to (B)?यदि (A={1,2}) और (B={3,4,5}) हों, तो (A\times B) के किस उपसमुच्चय को (A) से (B) में फलन कहा जा सकता है?
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: ({(1,3),(2,5)})({(1,3),(2,5)})
In option (A), both (1) and (2) have exactly one image. In exams, check the whole domain before calling a subset a function.विकल्प (A) में (1) और (2) दोनों की ठीक एक छवि है। परीक्षा में उपसमुच्चय को फलन कहने से पहले पूरा प्रांत जांचें।
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