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:

  • A
    $2 x^2-5 x+2=0$
  • B
    $x^2-2 x-8=0$
  • C
    $2 x^2-5 x-2=0$
  • D
    $x^2+2 x-8=0$

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Similar Questions

निश्चित समाकलन $\int_{0}^{1} \frac{x}{x^{2}+1} d x$ का मान ज्ञात कीजिए।

यह दिया गया है कि $\frac{d}{dt}(t \log t - t) = \log t$. तो, $\exp \left( \int_0^1 2x \log(1+x^2) dx \right) = $

यदि $k \int_{0}^{1} x \cdot f(3x) \, dx = \int_{0}^{3} t \cdot f(t) \, dt$ है,तो $k$ का मान ज्ञात कीजिए।

$\int_0^3 \frac{dx}{(x+2) \sqrt{x+1}} = $

$\int_0^1 \frac{dx}{(3x+2)+\sqrt{3x+2}} = $ . . . . . . .

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