यदि $A=\int_0^{\infty} \frac{1+x^2}{1+x^4} d x$ और $B=\int_0^1 \frac{1+x^2}{1+x^4} d x$ है,तो

  • A
    $2A=B$
  • B
    $A=B$
  • C
    $2B=A$
  • D
    $2B+A=0$

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Similar Questions

यदि $\int_{-\frac{\pi}{2}}^{\frac{\pi}{2}} \frac{96 x^2 \cos^2 x}{1+e^x} dx = \pi(\alpha \pi^2 + \beta)$,जहाँ $\alpha, \beta \in \mathbb{Z}$,तो $(\alpha + \beta)^2$ का मान ज्ञात कीजिए:

मान लीजिए $\int_{-2}^{2} (|\sin x| + [x \sin x]) dx = 2(3 - \cos 2) + \beta$, जहाँ $[\cdot]$ महत्तम पूर्णांक फलन है। तो $\beta \sin(\frac{\beta}{2})$ का मान ज्ञात कीजिए:

$\int_0^2 x^3(2-x)^4 \, dx = $

$\int_0^\pi x (\sin^2(\sin x) + \cos^2(\cos x)) dx = $

$\int_0^{\frac{\pi}{2}} \frac{x \tan x \sec^2 x}{\tan^4 x + 1} dx =$

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