$\int \frac{1}{\sqrt{1 + \cos x}} \, dx = $

  • A
    $\sqrt{2} \log \left| \sec \frac{x}{2} + \tan \frac{x}{2} \right| + K$
  • B
    $\frac{1}{\sqrt{2}} \log \left| \sec \frac{x}{2} + \tan \frac{x}{2} \right| + K$
  • C
    $\log \left| \sec \frac{x}{2} + \tan \frac{x}{2} \right| + K$
  • D
    इनमें से कोई नहीं

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