$k \in N$ का वह मान जिसके लिए समाकलन $I_n = \int_0^1 (1 - x^k)^n dx, n \in N$,समीकरण $147 I_{20} = 148 I_{21}$ को संतुष्ट करता है,है :

  • A
    $10$
  • B
    $8$
  • C
    $14$
  • D
    $7$

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