श्रेणी $\frac{3}{{1! + 2! + 3!}} + \frac{4}{{2! + 3! + 4!}} + \frac{5}{{3! + 4! + 5!}} + ...... + \frac{{2008}}{{\left( {2006} \right)! + \left( {2007} \right)! + \left( {2008} \right)!}}$ का योग किसके बराबर है?

  • A
    $\frac{{\left( {2008} \right)! + 2}}{{2.\left( {2008} \right)!}}$
  • B
    $\frac{{\left( {2008} \right)! + 1}}{{2.\left( {2008} \right)!}}$
  • C
    $\frac{{\left( {2008} \right)! - 2}}{{2.\left( {2008} \right)!}}$
  • D
    $\frac{{\left( {2008} \right)! - 3}}{{2.\left( {2008} \right)!}}$

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Similar Questions

श्रेणी $\frac{1}{1 + \sqrt{3}} + \frac{1}{\sqrt{3} + \sqrt{5}} + \frac{1}{\sqrt{5} + \sqrt{7}} + \dots$ के $n$ पदों का योग क्या है?

Difficult
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$\frac{1}{1} + \frac{1}{1 + 2} + \frac{1}{1 + 2 + 3} + \dots$ के $(n + 1)$ पदों का योग क्या है?

किसी भी $n \in N$ के लिए,$\frac{1}{2 \cdot 5} + \frac{1}{5 \cdot 8} + \ldots + \frac{1}{(3n-1)(3n+2)} = $

$\frac{1}{3 \cdot 6} + \frac{1}{6 \cdot 9} + \frac{1}{9 \cdot 12} + \dots$ $9$ पदों तक $=$

$\sum_{n=1}^{10} \left( \frac{528}{n(n+1)(n+2)} \right)$ का मान ज्ञात कीजिए:

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