यदि $y = x^2 + \cos(2x) + e^{ax}$ है,तो $\frac{dy}{dx}$ ज्ञात कीजिए।

  • A
    $2x - 2\sin(2x) + ae^{ax}$
  • B
    $2x + 2\sin(2x) + e^{ax}$
  • C
    $2x - \sin(2x) + e^{ax}$
  • D
    $2x + 2\sin(2x) + ae^{ax}$

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