$\sum_{n=1}^{10} \left( \frac{528}{n(n+1)(n+2)} \right)$ ની કિંમત શોધો:

  • A
    $65$
  • B
    $130$
  • C
    $220$
  • D
    $440$

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Similar Questions

$\lim _{n \rightarrow \infty} \left( \frac{1}{3 \cdot 7} + \frac{1}{7 \cdot 11} + \frac{1}{11 \cdot 15} + \ldots + n \text{ પદો} \right) =$

$\sum\limits_{r = 1}^{100} {\frac{{\tan \,{2^{r - 1}}}}{{\cos \,{2^r}}}} $ ની કિંમત શોધો.

જો શ્રેણી $\frac{1}{1+1^4 \cdot 4} + \frac{2}{1+2^4 \cdot 4} + \frac{3}{1+3^4 \cdot 4} + \frac{4}{1+4^4 \cdot 4} + \dots$ ના પ્રથમ $10$ પદોનો સરવાળો $\frac{m}{n}$ હોય, જ્યાં $\text{gcd}(m,n) = 1$, તો $m+n$ ની કિંમત શોધો:

જો $\frac{1}{(20-a)(40-a)}+\frac{1}{(40-a)(60-a)}+\ldots+\frac{1}{(180-a)(200-a)}=\frac{1}{256}$ હોય,તો $a$ ની મહત્તમ કિંમત શોધો.

$\sum\limits_{n = 2}^\infty {\frac{n}{{1 + {n^2}\left( {{n^2} - 2} \right)}}} $ ની કિંમત શોધો.

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