$\cot \left(\sum_{n=1}^{23} \cot ^{-1}\left(1+\sum_{k=1}^n 2 k\right)\right)$ નું મૂલ્ય શોધો.

  • A
    $\frac{23}{25}$
  • B
    $\frac{25}{23}$
  • C
    $\frac{23}{24}$
  • D
    $\frac{24}{23}$

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