$\lim _{n}$ ${\rightarrow \infty} \frac{\left(1^2-1\right)(n-1)+\left(2^2-2\right)(n-2)+\ldots +\left((n-1)^2-(n-1)\right) \cdot 1}{\left(1^3+2^3+\ldots +n^3\right)-\left(1^2+2^2+\ldots +n^2\right)}$ का मान ज्ञात कीजिए:

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

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मान लीजिए $f(x) = \lim_{y \rightarrow \infty} y(x^{1/y} - 1)$,और $2022 f(\frac{1}{x}) + P f(x) = f(x^2)$,तो $P =$

$\lim _{x \rightarrow \infty}\left(\frac{x+6}{x+1}\right)^{x+4}$ का मान ज्ञात कीजिए।

$\mathop {\lim }\limits_{x \to \infty } \frac{{\sqrt {{x^2} + {a^2}} - \sqrt {{x^2} + {b^2}} }}{{\sqrt {{x^2} + {c^2}} - \sqrt {{x^2} + {d^2}} }} = $

$\lim _{x \rightarrow 1} \frac{(2 x-3)(\sqrt{x}-1)}{2 x^2+x-3} = $

मान लीजिए कि $m$ और $n$ दो धनात्मक पूर्णांक हैं जो $1$ से बड़े हैं। यदि $\lim_{\alpha \rightarrow 0} \left( \frac{e^{\cos(\alpha^n)} - e}{\alpha^m} \right) = -\left( \frac{e}{2} \right)$ है,तो $\frac{m}{n}$ का मान ज्ञात कीजिए।

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