मान लीजिए $\tan^0 x = 1$ है। यदि $\int \left( \sum_{k=0}^7 \tan^k x \right) dx = \sum_{k=1}^7 A_k \tan^k x + C$ है, तो $\sum_{k=1}^7 A_k$ का मान ज्ञात कीजिए।

  • A
    $76$/$25$
  • B
    $28$/$15$
  • C
    $38$/$35$
  • D
    $124$/$75$

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