MCQ
यदि $f: A \rightarrow B$ एकैक आच्छादक हो, तो
  • $n(A)>n(B)$
  • B
    $n(A)
  • C
    $n(A)=n(B)$
  • D
    इनमें से कोई नहीं

Answer

Correct option: A.
$n(A)>n(B)$
(A)

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