$1000 \left[ \frac{1}{1 \times 2} + \frac{1}{2 \times 3} + \frac{1}{3 \times 4} + \ldots + \frac{1}{999 \times 1000} \right]$ ની કિંમત શોધો.

  • A
    $1000$
  • B
    $999$
  • C
    $1001$
  • D
    $\frac{1}{999}$

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