જો $\int\limits_0^1 \frac{\ln x}{\sqrt{1 - x^2}} dx = k \int\limits_0^\pi \ln(1 + \cos x) dx$ હોય,તો $k$ ની કિંમત શોધો:

  • A
    $2$
  • B
    $1/2$
  • C
    $-2$
  • D
    $-1/2$

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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 = $

જો $\int_0^\pi {xf(\sin x)dx = A} \int_0^{\pi /2} {f(\sin x)dx} $ હોય,તો $A$ ની કિંમત શું થાય?

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$\int_{0}^{1} \tan ^{-1}\left(\frac{2 x-1}{1+x-x^{2}}\right) d x$ નું મૂલ્ય શું છે?

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