$\int_0^1 \log \left(\frac{1}{x}-1\right) d x$ ની કિંમત શું છે?

  • A
    $1$
  • B
    $0$
  • C
    $\log _2 2$
  • D
    $\log _e\left(\frac{1}{2}\right)$

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ધારો કે $f:R \to R$ અને $g:R \to R$ સતત વિધેયો છે,તો સંકલન $\int_{-\pi/2}^{\pi/2} [f(x) + f(-x)][g(x) - g(-x)] \, dx$ ની કિંમત શોધો.

$x > 0$ માટે,ધારો કે $f(x) = \int_{1}^{x} \frac{\log t}{1+t} dt$. તો $f(x) + f\left(\frac{1}{x}\right)$ ની કિંમત શોધો:

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