વિકલન શોધો: $\frac{d}{dx}[\cos((1 - x^2)^2)] = ?$

  • A
    $-2x(1 - x^2)\sin((1 - x^2)^2)$
  • B
    $-4x(1 - x^2)\sin((1 - x^2)^2)$
  • C
    $4x(1 - x^2)\sin((1 - x^2)^2)$
  • D
    $-2(1 - x^2)\sin((1 - x^2)^2)$

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