MCQ
$f(x)=\frac{x-1}{x+1}$ का प्रतिलोम फलन है
  • $\frac{x+1}{1-x}$
  • B
    $\frac{1-x}{1+x}$
  • C
    $\frac{x-1}{1+x}$
  • D
    इनमें से कोई नहीं

Answer

Correct option: A.
$\frac{x+1}{1-x}$
A

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