यदि $\int \sqrt{\frac{2}{1+\sin x}} dx = 2 \log |A(x) - B(x)| + C$ और $0 \leq x \leq \frac{\pi}{2}$ है,तो $B(\frac{\pi}{4}) = $

  • A
    $\frac{1}{\sqrt{2+3 \sqrt{3}}}$
  • B
    $\frac{1}{\sqrt{3+2 \sqrt{2}}}$
  • C
    $\frac{-1}{\sqrt{3+2 \sqrt{2}}}$
  • D
    $\frac{2}{\sqrt{2+\sqrt{2}}}$

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