MCQ
$\tan ^{-1} \frac{2 x}{1-x^2}=$ प्रतिलोम त्रिकोणमितीय फलन :
  • A
    $2 \sin ^{-1} x$
  • B
    $\sin ^{-1} 2 x$
  • C
    $\tan ^{-1} 2 x$
  • $2 \tan ^{-1} x$

Answer

Correct option: D.
$2 \tan ^{-1} x$
(D)

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