શ્રેણી $\frac{1}{1+1^2+1^4}+\frac{2}{1+2^2+2^4}+\frac{3}{1+3^2+3^4}+\ldots$ ના $10$ પદોનો સરવાળો શોધો:

  • A
    $\frac{59}{111}$
  • B
    $\frac{55}{111}$
  • C
    $\frac{56}{111}$
  • D
    $\frac{58}{111}$

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Similar Questions

$1(1!) + 2(2!) + 3(3!) + \dots + n(n!) = \dots$

Difficult
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જો $n = 1, 2, 3, \ldots$ માટે $t_n = \frac{1}{4}(n+2)(n+3)$ હોય, તો $\frac{1}{t_1} + \frac{1}{t_2} + \ldots + \frac{1}{t_{2003}}$ ની કિંમત શોધો.

શ્રેણી $\frac{1}{1 \times 2} + \frac{1}{2 \times 3} + \frac{1}{3 \times 4} + \ldots$ ના $n$ પદોનો સરવાળો શોધો.

જો $\frac{1}{2 \times 4} + \frac{1}{4 \times 6} + \frac{1}{6 \times 8} + \dots (n \text{ પદો}) = \frac{k n}{n+1}$ હોય,તો $k$ ની કિંમત શોધો.

$\frac{1}{1 \times 2} + \frac{1}{2 \times 3} + \frac{1}{3 \times 4} + \dots + \frac{1}{n(n + 1)}$ ની કિંમત શોધો.

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