$\lim _{y \rightarrow 0} \frac{\sqrt{1+\sqrt{1+y^4}}-\sqrt{2}}{y^4} = $

  • A
    $\frac{1}{4 \sqrt{2}}$
  • B
    $\frac{1}{2 \sqrt{2}(1+\sqrt{2})}$
  • C
    $\frac{1}{2 \sqrt{2}}$
  • D
    $\frac{1}{4 \sqrt{2}(1+\sqrt{2})}$

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यदि $\lim _{x \rightarrow 0} \frac{\left(e^{k x}-1\right) \sin k x}{x^{2}}=4$ है,तो $k$ का मान ज्ञात कीजिए।

$\lim _{x \rightarrow 0} \frac{|x|}{|x|+x^2} = $

$\lim _{x \rightarrow 0} \frac{\sqrt{1-\cos x^2}}{1-\cos x} = $

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