$\int_0^{\pi /2} \frac{\sin x}{\sin x + \cos x} \, dx$ का मान ज्ञात कीजिए।

  • A
    $\frac{\pi }{2}$
  • B
    $\frac{\pi }{3}$
  • C
    $\frac{\pi }{4}$
  • D
    $\frac{\pi }{6}$

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