The value of $\int \frac{e^{x}(1+x) dx}{\cos^{2}(x e^{x})}$ is equal to

  • A
    $-\cot(x e^{x}) + c$
  • B
    $\tan(x e^{x}) + c$
  • C
    $\tan(e^{x}) + c$
  • D
    $\cot(e^{x}) + c$

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