$\int e^{x} \left[ \frac{1+\sin x}{1+\cos x} \right] dx$ का मान क्या है?

  • A
    $\frac{1}{2} e^{x} \sec \frac{x}{2} + C$
  • B
    $e^{x} \sec \frac{x}{2} + C$
  • C
    $\frac{1}{2} e^{x} \tan \frac{x}{2} + C$
  • D
    $e^{x} \tan \frac{x}{2} + C$

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