$x > 0$ के लिए,मान लीजिए $f(x) = \int_{1}^{x} \frac{\log t}{1+t} dt$. तो $f(x) + f\left(\frac{1}{x}\right)$ का मान ज्ञात कीजिए:

  • A
    $\frac{1}{4}(\log x)^2$
  • B
    $\log x$
  • C
    $\frac{1}{2}(\log x)^2$
  • D
    $\frac{1}{4}\log(x^2)$

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$\int_{-2}^{2} (ax^3 + bx + c) dx$ का मान किस पर निर्भर करता है?

$\int_{\frac{-3\pi}{2}}^{\frac{-\pi}{2}} \left[ (x+\pi)^3 + \cos^2(x+3\pi) \right] dx = $

यदि $\int_{ - a}^a {\sqrt {\frac{{a - x}}{{a + x}}} \,dx = k\pi ,} $ है,तो $k = $

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