Let f : R – n → R be a function defined by f(x) = x-m x-n , where m ≠ n . This function…

Mathematics · JEE Advanced · NTA ExamsSets, Relations and Functions

Let f : R – {n} → R be a function defined by
f(x) = \(\frac{x-m}{x-n}\), where m ≠ n . This function is-
  1. one-one onto
  2. one-one into
  3. many-one onto
  4. many one into

Answer

(B) one-one into

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