MCQ
यदि $\sin ^{-1}(1-x)-2 \sin ^{-1} x=\frac{\pi}{2}$ तब $x$ का मान है :
  • $0$
  • B
    $0,-\frac{1}{2}$
  • C
    $0, \frac{1}{2}$
  • D
    कोई नहीं

Answer

Correct option: A.
$0$
(A)

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