$\lim _{n \rightarrow \infty} \frac{1}{n^2} \sum_{k=1}^{2n} k e^{k/n} = $

  • A
    $e^2-1$
  • B
    $e^2+1$
  • C
    $2e^2-2$
  • D
    $2e^2+1$

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Similar Questions

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

ધારો કે $\lim _{n \rightarrow \infty} \sum_{r=1}^{n} \left( \frac{n}{\sqrt{n^4+r^4}} - \frac{2 n r^2}{(n^2+r^2) \sqrt{n^4+r^4}} \right) = \frac{\pi}{k}.$ પ્રતિ-ત્રિકોણમિતીય વિધેયોના મુખ્ય મૂલ્યોનો ઉપયોગ કરીને,તો $k^2$ ની કિંમત શોધો:

આપેલ છે કે $\lim _{n \rightarrow \infty} \frac{1}{n} \sum_{r=1}^{n p} f\left(\frac{r}{n}\right)=\int_0^p f(x) d x$. જો $f: R \rightarrow R$ એ $f(x)=x^2+2$ દ્વારા વ્યાખ્યાયિત હોય, તો $\lim _{n \rightarrow \infty} \frac{3}{n}\left[f\left(\frac{7}{n}\right)+f\left(\frac{14}{n}\right)+f\left(\frac{21}{n}\right)+\ldots+f(7)\right]=$

$\underset{n\to \infty }{\mathop{\lim }}\,\frac{{{1}^{99}}+{{2}^{99}}+{{3}^{99}}+......{{n}^{99}}}{{{n}^{100}}}=$

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ધન પૂર્ણાંક $n$ માટે,$f(n) = n + \sum_{r=1}^n \frac{16r + (9-4r)n - 3n^2}{4rn + 3n^2}$ વ્યાખ્યાયિત કરો. તો,$\lim_{n \rightarrow \infty} f(n)$ નું મૂલ્ય કેટલું થાય?

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