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

  • A
    $\operatorname{Tan}^{-1} 2+\frac{1}{2} \log 3$
  • B
    $\frac{\pi}{4}+\frac{1}{2} \log 3$
  • C
    $\operatorname{Tan}^{-1} 2+\frac{1}{2} \log 5$
  • D
    $\frac{\pi}{4}+\frac{1}{2} \log 5$

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Similar Questions

$a \in \mathbb{R}$ (બધી વાસ્તવિક સંખ્યાઓનો ગણ) માટે,$a \neq -1$,જો $\lim_{n \to \infty} \frac{1^a + 2^a + \dots + n^a}{(n+1)^{a-1}[(na+1) + (na+2) + \dots + (na+n)]} = \frac{1}{60}$ હોય,તો $a$ ની કિંમત શોધો:

$\mathop {\lim }\limits_{n \to \infty } {\left[ {\frac{{n!}}{{{n^n}}}} \right]^{1/n}}$ ની કિંમત શોધો.

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જો $f(n) = \frac{1}{n} [(n+1)(n+2)(n+3) \ldots (2n)]^{\frac{1}{n}}$ હોય, તો $\lim_{n \rightarrow \infty} f(n) =$

$\lim _{n \rightarrow \infty} \left( \frac{1}{\sqrt{4n^2-1}} + \frac{1}{\sqrt{4n^2-4}} + \dots + \frac{1}{\sqrt{4n^2-n^2}} \right)$ ની કિંમત શોધો.

જો $a = \lim_{n \to \infty} \sum_{k=1}^{n} \frac{2n}{n^2+k^2}$ અને $f(x) = \sqrt{\frac{1-\cos x}{1+\cos x}}$,$x \in (0, 1)$,હોય તો:

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