$\lim _{n \rightarrow \infty}\left(\frac{n^{2}}{\left(n^{2}+1\right)(n+1)}+\frac{n^{2}}{\left(n^{2}+4\right)(n+2)}+\frac{n^{2}}{\left(n^{2}+9\right)(n+3)}+\ldots+\frac{n^{2}}{\left(n^{2}+n^{2}\right)(n+n)}\right)$ का मान ज्ञात कीजिए।

  • A
    $\frac{\pi}{8}+\frac{1}{4} \log _{ e } 2$
  • B
    $\frac{\pi}{4}+\frac{1}{8} \log _{ e } 2$
  • C
    $\frac{\pi}{4}-\frac{1}{8} \log _{ e } 2$
  • D
    $\frac{\pi}{8}+\log _{ e } \sqrt{2}$

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$\lim _{n \rightarrow \infty} \frac{\sqrt{1}+\sqrt{2}+\ldots+\sqrt{n-1}}{n \sqrt{n}}$ का मान ज्ञात कीजिए।

$\mathop {\lim }\limits_{n \to \infty } \left( {\frac{{n + 1}}{{{n^2} + {1^2}}} + \frac{{n + 2}}{{{n^2} + {2^2}}} + \frac{{n + 3}}{{{n^2} + {3^2}}} + \dots + \frac{1}{n}} \right) = $

निश्चित समाकल की परिभाषा के अनुसार,$\lim _{n \rightarrow \infty}\left(\frac{1}{\sqrt{n^2-1^2}}+\frac{1}{\sqrt{n^2-2^2}}+\ldots+\frac{1}{\sqrt{n^2-(n-1)^2}}\right)$ का मान किसके बराबर है?

$\lim _{n \rightarrow \infty} \prod_{r=1}^n\left(1+\frac{r^2}{n^2}\right)^{\frac{2 r}{n^2}}$ का मान किसके बराबर है?

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