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in Mathematics by (54.3k points)
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माना \(f: R \rightarrow R, f(x)=x^{4}\) द्वारा परिभाषित है, तब

(A) f एकैकी आच्छादक है 

(B) f बहुएक आच्छादक है 

(C) f एकेकी है किन्तु आच्छादक नहीं है

(D) f न तो एकेकी है और न आच्छादक है

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सही विकल्प है (D) f न तो एकेकी है और न आच्छादक है

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