MCQ
If $y = {x^2} + \cos \,2x + {e^{ax}}$ then find $\frac{{dy}}{{dx}}$
  • $2x - 2\,\sin \,\,2x + a{e^{ax}}$
  • B
    $2x + 2\,\sin \,\,2x + {e^{ax}}$
  • C
    $2x - \,\sin \,\,2x + {e^{ax}}$
  • D
    $2x + 2\,\,\sin \,\,2x + a{e^{ax}}$

Answer

Correct option: A.
$2x - 2\,\sin \,\,2x + a{e^{ax}}$
a

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