$\int\limits_0^1 {\frac{{{{\tan }^{ - 1}}x}}{x}\,dx} = $

  • A
    $\int\limits_0^{\frac{\pi }{4}} {\frac{x}{{\sin x}}\,dx} $
  • B
    $\int\limits_0^{\frac{\pi }{2}} {\frac{x}{{\sin x}}\,dx} $
  • C
    $\frac{1}{2}\int\limits_0^{\frac{\pi }{2}} {\frac{x}{{\sin x}}\,dx} $
  • D
    $\frac{1}{2}\int\limits_0^{\frac{\pi }{4}} {\frac{x}{{\sin x}}\,dx} $

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यदि $\int_{\log 2}^x \frac{du}{({e^u} - 1)^{1/2}} = \frac{\pi}{6}$ है,तो ${e^x} = $

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समाकलन $\int_{1/\pi }^{2/\pi } \frac{\sin(1/x)}{x^2} \,dx$ का मान ज्ञात कीजिए।

निम्नलिखित समाकलन का मान ज्ञात कीजिए:
$\int_{4}^{9} \frac{\sqrt{x}}{\left(30-x^{\frac{3}{2}}\right)^{2}} d x$

$\int_{\pi /3}^{\pi /2} \frac{\sqrt{1 + \cos x}}{(1 - \cos x)^{5/2}} \,dx = $

मान लीजिए कि $\int_\alpha^{\log _e 4} \frac{dx}{\sqrt{e^{x}-1}}=\frac{\pi}{6}$. तो $e^\alpha$ और $e^{-\alpha}$ किस समीकरण के मूल हैं:

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