$\int_0^{\pi / 4} [\sqrt{\tan x} + \sqrt{\cot x}] \, dx$ ની કિંમત શોધો.

  • A
    $\frac{\pi}{\sqrt{2}}$
  • B
    $\frac{\pi}{2}$
  • C
    $\frac{3 \pi}{\sqrt{2}}$
  • D
    $\pi$

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