यदि $x$ समीकरण $\left( \int_{0}^{1} \frac{dt}{t^2 + 2t \cos \alpha + 1} \right) x^2 - \left( \int_{-3}^{3} \frac{t^2 \sin 2t}{t^2 + 1} dt \right) x - 2 = 0$ $(0 < \alpha < \pi)$ को संतुष्ट करता है,तो $x$ का मान ज्ञात कीजिए।

  • A
    $\pm \sqrt{\frac{\alpha}{2 \sin \alpha}}$
  • B
    $\pm \sqrt{\frac{2 \sin \alpha}{\alpha}}$
  • C
    $\pm \sqrt{\frac{\alpha}{\sin \alpha}}$
  • D
    $\pm 2 \sqrt{\frac{\sin \alpha}{\alpha}}$

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