$\frac{d}{dx}(\sin 2x^2)$ का मान क्या है?

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

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