माना $u = \int\limits_0^1 {\frac{{\ln (x + 1)}}{{{x^2} + 1}}} \,dx$ और $v = \int\limits_0^{\frac{\pi }{2}} {\ln (\sin 2x)} \,dx$,तो:

  • A
    $u = 4v$
  • B
    $4u + v = 0$
  • C
    $u + 4v = 0$
  • D
    इनमें से कोई नहीं

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