यदि $I = \int \frac{\sin^2 x - 1}{2x \sin^2 x + \sin 2x} dx$ है,तो. . . . . $( \sin x \neq 0)$ (जहाँ $c$ समाकलन का एक स्थिरांक है)

  • A
    $ce^{2I} \sin x = x \sin x + \cos x$
  • B
    $I = \frac{1}{2} \ln(x \sin x + \cos x) + c$
  • C
    $ce^{2I} + \cos x = x \cos x + \sin x$
  • D
    $I = \frac{1}{2} \ln(\cos x + \sin x) + c$

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