यदि $I_n = \int x^n \sin x \, dx$ और $I_6 - 360 I_2 = f(x) \cos x + g(x) \sin x$ है, तो $f(1) + g(1) =$

  • A
    $-85$
  • B
    $0$
  • C
    $-53$
  • D
    $75$

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