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A relation (R\subseteq A\times B) has (A={1,2,3}) and (B={p,q}). If (R) has exactly (3) ordered pairs, when will (R) be a function?एक संबंध (R\subseteq A\times B) में (A={1,2,3}) और (B={p,q}) है। यदि (R) में ठीक (3) ordered pairs हैं तो (R) फलन कब होगा?
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: When each first component (1,2,3) appears exactly onceजब हर प्रथम घटक (1,2,3) ठीक एक बार आए
With exactly (3) pairs, a function needs one image for each of the three elements of (A). Repetition of second components is allowed.ठीक (3) युग्मों में फलन बनने के लिए (A) के तीनों अवयवों की एक-एक छवि होनी चाहिए। द्वितीय घटकों का दोहराव मान्य है।
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