$\lim _{x \rightarrow \infty} x^3 \left[ \sqrt{x^2 + \sqrt{x^4 + 1}} - \sqrt{2} x \right] = $

  • A
    $0$
  • B
    $1$
  • C
    $\frac{1}{4 \sqrt{2}}$
  • D
    $\frac{3}{2 \sqrt{2}}$

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यदि $f(x) = \text{Sgn}(\text{Sgn}(\text{Sgn}(x)))$ है,तो $\mathop {\lim }\limits_{x \to 0} f(x)$ का मान क्या होगा :-

$\lim _{x \rightarrow-\infty} \frac{3|x|^3-x^2+2|x|-5}{-5|x|^3+3 x^2-2|x|+7} = $

$\mathop {\lim }\limits_{x \to 0} {(\cos mx)^{n/{x^2}}}$ का मान ज्ञात कीजिए।

सीमा का मूल्यांकन करें: $\lim _{x}$ ${\rightarrow \infty} \frac{(\sqrt{3 x+1}+\sqrt{3 x-1})^6+(\sqrt{3 x+1}-\sqrt{3 x-1})^6}{\left(x+\sqrt{x^2-1}\right)^6+\left(x-\sqrt{x^2-1}\right)^6} x^3$

$\lim _{n \rightarrow \infty}\left\{n-\sqrt{n^2-4 n}\right\}=$

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