यदि $y = x \left[ \left( \cos \frac{x}{2} + \sin \frac{x}{2} \right) \left( \cos \frac{x}{2} - \sin \frac{x}{2} \right) + \sin x \right] + \frac{1}{2\sqrt{x}}$ है,तो $\frac{dy}{dx} = $

  • A
    $(1 + x)\cos x + (1 - x)\sin x - \frac{1}{4x\sqrt{x}}$
  • B
    $(1 - x)\cos x + (1 + x)\sin x + \frac{1}{4x\sqrt{x}}$
  • C
    $(1 + x)\cos x + (1 + x)\sin x - \frac{1}{4x\sqrt{x}}$
  • D
    इनमें से कोई नहीं

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