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

  • 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

$\lim _{n \rightarrow \infty} n\left[\frac{1}{3 n^2+8 n+4}+\frac{1}{3 n^2+16 n+16}+\ldots+\frac{1}{15 n^2}\right]=$

$\lim _{n}$ ${\rightarrow \infty} \left( \frac{\sqrt{n}}{\sqrt{n^{3}}}+\frac{\sqrt{n}}{\sqrt{(n+4)^{3}}}+\frac{\sqrt{n}}{\sqrt{(n+8)^{3}}}+\cdots +\frac{\sqrt{n}}{\sqrt{[n+4(n-1)]^{3}}} \right)$ 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:
$(1) 8$ $(2) -9$ $(3) -6$ $(4) 7$

$\mathop {\lim }\limits_{n \to \infty } \left( {\frac{{{{\left( {n + 1} \right)}^{1/3}}}}{{{n^{4/3}}}} + \frac{{{{\left( {n + 2} \right)}^{1/3}}}}{{{n^{4/3}}}} + \dots + \frac{{{{\left( {2n} \right)}^{1/3}}}}{{{n^{4/3}}}}} \right)$ का मान ज्ञात कीजिए।

योगफल की सीमा के रूप में निम्नलिखित निश्चित समाकल का मान ज्ञात कीजिए: $\int_{a}^{b} x \, dx$

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