$\mathop {\lim }\limits_{x \to 1} f(x)$ ज्ञात कीजिए,जहाँ $f(x) = \begin{cases} x^{2}-1, & x \leq 1 \\ -x-1, & x > 1 \end{cases}$

  • A
    $0$
  • B
    $-2$
  • C
    $1$
  • D
    अस्तित्व में नहीं है

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$\mathop {\lim }\limits_{x \to 1} \frac{{x + {x^2} + ...... + {x^n} - n}}{{x - 1}}$ का मान ज्ञात कीजिए।

$\lim _{x \rightarrow \infty} [x - \log (\cosh x)] = $

यदि $f(x) = \frac{5x \operatorname{cosec}(\sqrt{x}) - 1}{(x - 2) \operatorname{cosec}(\sqrt{x})}$ है,तो $\lim_{x \rightarrow \infty} f(x^2) = $

यदि $a, b, c$ और $k$ शून्येतर वास्तविक संख्याएँ हैं और $\lim _{x \rightarrow \infty} x\left(a^{\frac{1}{x}}+b^{\frac{1}{x}}+c^{\frac{1}{x}}-3 k^{\frac{1}{x}}\right)=0$,तो $k=$

$\mathop {\lim }\limits_{x \to 0} {\left( {\frac{{1 + 5{x^2}}}{{1 + 3{x^2}}}} \right)^{1/{x^2}}} = $

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