જો $\int_0^{\frac{\pi}{2}} \log \cos x \, dx = \frac{\pi}{2} \log \left(\frac{1}{2}\right)$ હોય,તો $\int_0^{\frac{\pi}{2}} \log \sec x \, dx = $

  • A
    $\frac{\pi}{2} \log \left(\frac{1}{2}\right)$
  • B
    $1 - \frac{\pi}{2} \log \left(\frac{1}{2}\right)$
  • C
    $1 + \frac{\pi}{2} \log \left(\frac{1}{2}\right)$
  • D
    $\frac{\pi}{2} \log 2$

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$\int_{0}^{\pi} \frac{x \, dx}{a^{2} \cos ^{2} x+b^{2} \sin ^{2} x}$ ની કિંમત શોધો.

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