$\int x^2 \sin 2x \, dx = $

  • A
    $\frac{1}{2}x^2 \cos 2x + \frac{1}{2}x \sin 2x + \frac{1}{4} \cos 2x + c$
  • B
    $-\frac{1}{2}x^2 \cos 2x + \frac{1}{2}x \sin 2x + \frac{1}{4} \cos 2x + c$
  • C
    $\frac{1}{2}x^2 \cos 2x - \frac{1}{2}x \sin 2x + \frac{1}{4} \cos 2x + c$
  • D
    इनमें से कोई नहीं

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$\int \sin^{-1}(3x - 4x^3) \, dx = $

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