$n \ge 2$ के लिए,यदि $I_n = \int (\sin x + \cos x)^n dx$ है,तो $nI_n - 2(n-1)I_{n-2} = $

  • A
    $(\sin x + \cos x)^{n+1}(\sin x - \cos x) + C$
  • B
    $(\sin x + \cos x)^n(\sin x - \cos x) + C$
  • C
    $(\sin x + \cos x)^{n-1}(\sin x - \cos x) + C$
  • D
    $(\sin x - \cos x)^{n-1}(\sin x + \cos x) + C$

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