જો $a > 0$ અને $b < 0$ હોય,તો $\mathop {\lim }\limits_{x \to {0^ + }} \frac{{\sqrt {1 - \cos 2ax} }}{{\sin bx}}$ ની કિંમત શોધો.

  • A
    $\frac{a\sqrt{2}}{b}$
  • B
    $\frac{-a\sqrt{2}}{b}$
  • C
    $\frac{|a|\sqrt{2}}{|b|}$
  • D
    આમાંથી કોઈ નહીં

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