यदि $a > 0$ और $b < 0$ है,तो $\mathop {\lim }\limits_{x \to {0^ + }} \frac{{\sqrt {1 - \cos 2ax} }}{{\sin bx}}$ का मान ज्ञात कीजिए।

  • A
    $\frac{a\sqrt{2}}{b}$
  • B
    $\frac{-a\sqrt{2}}{b}$
  • C
    $\frac{|a|\sqrt{2}}{|b|}$
  • D
    इनमें से कोई नहीं

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$\lim_{x \rightarrow 0} \frac{\sin(\pi \sin^2 x)}{x^2} = $

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$\lim _{x \rightarrow 0} \frac{\sin \left(\pi \cos ^2 x\right)}{x^2}$ का मान ज्ञात कीजिए।

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