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In which option is relation (R) a function from (A={0,1,2}) to (B={0,1,2}), but (R^{-1}) is not a function?किस विकल्प में संबंध (R) (A={0,1,2}) से (B={0,1,2}) में फलन है लेकिन (R^{-1}) फलन नहीं है?
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: ({(0,1),(1,1),(2,2)})({(0,1),(1,1),(2,2)})
Option (B) is a function, but in the inverse relation (1) has images (0) and (1). Hence (R^{-1}) is not a function.विकल्प (B) फलन है, पर उल्टे संबंध में (1) की छवियां (0) और (1) होंगी। इसलिए (R^{-1}) फलन नहीं है।
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