જો $\int_{-\pi / 2}^{\pi / 2} \frac{8 \sqrt{2} \cos x \, dx}{(1+e^{\sin x})(1+\sin ^4 x)} = \alpha \pi + \beta \log _e(3+2 \sqrt{2})$,જ્યાં $\alpha, \beta$ પૂર્ણાંકો છે,તો $\alpha^2+\beta^2$ ની કિંમત શોધો.

  • A
    $4$
  • B
    $3$
  • C
    $2$
  • D
    $8$

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$\int_{-2}^{\pi} \frac{\sin^2 x}{[\frac{x}{\pi}] + \frac{1}{2}} \,dx$ ની કિંમત શોધો. (જ્યાં $[\cdot]$ એ મહત્તમ પૂર્ણાંક વિધેય છે.)

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