જો $f : R \rightarrow R$ એક સતત વિધેય હોય જે $\int \limits_0^{\pi / 2} f(\sin 2x) \cdot \sin x \, dx + \alpha \int \limits_0^{\pi / 4} f(\cos 2x) \cdot \cos x \, dx = 0$ નું સમાધાન કરે,તો $\alpha$ ની કિંમત શોધો.

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

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