$\lim _{n \rightarrow \infty}\left[\frac{n+3}{n^2+1^2}+\frac{n+6}{n^2+2^2}+\frac{n+9}{n^2+3^2}+\ldots+\frac{2}{n}\right]=$

  • A
    $\frac{\pi}{4}+\frac{3}{2} \ln 2$
  • B
    $\frac{\pi}{2}+\frac{3}{4} \ln 2$
  • C
    $\frac{\pi}{4}-\frac{3}{2} \ln 2$
  • D
    $\frac{\pi}{4}+\frac{1}{2} \ln 2$

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Similar Questions

मान लीजिए $\lim _{n \rightarrow \infty} \sum_{r=1}^{n} \left( \frac{n}{\sqrt{n^4+r^4}} - \frac{2 n r^2}{(n^2+r^2) \sqrt{n^4+r^4}} \right) = \frac{\pi}{k}.$ प्रतिलोम त्रिकोणमितीय फलनों के मुख्य मानों का उपयोग करते हुए,$k^2$ का मान ज्ञात कीजिए:

यदि $f(n) = \frac{1}{n} [(n+1)(n+2)(n+3) \ldots (2n)]^{\frac{1}{n}}$ है, तो $\lim_{n \rightarrow \infty} f(n) =$

$\lim _{n}$ ${\rightarrow \infty} \left( \frac{\sqrt{n}}{\sqrt{n^{3}}}+\frac{\sqrt{n}}{\sqrt{(n+4)^{3}}}+\frac{\sqrt{n}}{\sqrt{(n+8)^{3}}}+\cdots +\frac{\sqrt{n}}{\sqrt{[n+4(n-1)]^{3}}} \right)$ का मान ज्ञात कीजिए।

$a \in R, |a| > 1$ के लिए,मान लीजिए $\lim _{n \rightarrow \infty} \left( \frac{1+\sqrt[3]{2}+\ldots+\sqrt[3]{n}}{n^{7/3} \left( \frac{1}{(an+1)^2} + \frac{1}{(an+2)^2} + \ldots + \frac{1}{(an+n)^2} \right)} \right) = 54$. तो $a$ का/के संभावित मान है/हैं:
$(1) 8$ $(2) -9$ $(3) -6$ $(4) 7$

$\mathop {\lim }\limits_{n \to \infty } \frac{{1 + {2^4} + {3^4} + .... + {n^4}}}{{{n^5}}} - \mathop {\lim }\limits_{n \to \infty } \frac{{1 + {2^3} + {3^3} + .... + {n^3}}}{{{n^5}}} = $

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