यदि $y = f\left( \frac{2x - 1}{x^2 + 1} \right)$ और $f'(x) = \sin(x^2)$ है,तो $\frac{dy}{dx} = $

  • A
    $\frac{6x^2 - 2x + 2}{(x^2 + 1)^2} \sin \left( \frac{2x - 1}{x^2 + 1} \right)^2$
  • B
    $\frac{6x^2 - 2x + 2}{(x^2 + 1)^2} \sin^2 \left( \frac{2x - 1}{x^2 + 1} \right)$
  • C
    $\frac{-2x^2 + 2x + 2}{(x^2 + 1)^2} \sin^2 \left( \frac{2x - 1}{x^2 + 1} \right)$
  • D
    $\frac{-2x^2 + 2x + 2}{(x^2 + 1)^2} \sin \left( \frac{2x - 1}{x^2 + 1} \right)^2$

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