$\lim _{n \rightarrow \infty}\left[\frac{n}{(n+1) \sqrt{2n+1}}+\frac{n}{(n+2) \sqrt{2(2n+2)}}+\frac{n}{(n+3) \sqrt{3(2n+3)}}+\ldots n \text{ પદો}\right]=\int_0^1 f(x) d x$,તો $f(x)=$

  • A
    $\frac{1}{(1+x) \sqrt{2x+x^2}}$
  • B
    $\frac{1}{(1+x) \sqrt{x+2}}$
  • C
    $\frac{1}{(1+x) \sqrt{x^2+x+1}}$
  • D
    $\frac{1}{(1+x) \sqrt{x^2-2x}}$

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Similar Questions

$\lim _{n \rightarrow \infty}\left[\frac{1}{n}+\frac{n^2}{(n+1)^3}+\frac{n^2}{(n+2)^3}+\frac{n^2}{(n+3)^3}+\ldots+\frac{n^2}{(n+4n)^3}\right]=$

$\mathop {\lim }\limits_{n \to \infty } \sum\limits_{k = 1}^n {\frac{k}{{{n^2} + {k^2}}}} $ ની કિંમત શોધો.

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$a \in \mathbb{R}$ (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:

$\lim _{n \rightarrow \infty} \sum_{k=1}^n \frac{n^3}{(n^2+k^2)(n^2+3k^2)}$ નું મૂલ્ય શું છે?

$\lim _{n \rightarrow \infty} \sum_{r=1}^n \frac{r^3}{r^4+n^4}$ ની કિંમત શોધો.

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