$\int_0^\pi x \log(\sin x) \, dx = $

  • A
    $\frac{\pi}{2} \log(\frac{1}{2})$
  • B
    $\frac{\pi^2}{2} \log(\frac{1}{2})$
  • C
    $\pi \log(\frac{1}{2})$
  • D
    $\pi^2 \log(\frac{1}{2})$

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$\int_{0}^{\frac{\pi}{2}} \frac{\sin ^{4} x}{\sin ^{4} x+\cos ^{4} x} d x$ ની કિંમત શોધો.

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સંકલન $\int_0^\pi \frac{8 x \, dx}{4 \cos^2 x + \sin^2 x}$ ની કિંમત શોધો.

ધારો કે $f$ એક ધન વિધેય છે. ધારો કે $I_1 = \int_{1 - k}^k x f\{x(1 - x)\} dx$ અને $I_2 = \int_{1 - k}^k f\{x(1 - x)\} dx$,જ્યાં $2k - 1 > 0$ છે. તો $I_1/I_2$ શું થાય?

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