જો $y = (\cos x^{2})^{2}$ હોય,તો $\frac{dy}{dx}$ ની કિંમત શોધો.

  • A
    $-4x \sin 2x^{2}$
  • B
    $-x \sin x^{2}$
  • C
    $-2x \sin 2x^{2}$
  • D
    $-x \cos 2x^{2}$

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