निश्चित समाकलन का मान ज्ञात कीजिए: $\int_0^{\pi^2 / 4} (2 \sin \sqrt{x} + \sqrt{x} \cos \sqrt{x}) \, dx$

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

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