$\lim _{x \rightarrow 2}\left(\sum_{n=1}^{9} \frac{x}{n(n+1) x^{2}+2(2 n+1) x+4}\right)$ का मान ज्ञात कीजिए :

  • A
    $\frac{9}{44}$
  • B
    $\frac{5}{24}$
  • C
    $\frac{1}{5}$
  • D
    $\frac{7}{36}$

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