$\mathop {\lim }\limits_{x \to 0} \frac{{\sqrt {1 + x} - \sqrt {1 - x} }}{{{{\sin }^{ - 1}}x}} = $

  • A
    $2$
  • B
    $1$
  • C
    $-1$
  • D
    इनमें से कोई नहीं

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