मान लीजिए $\alpha$ और $\beta$ $(\alpha < \beta)$ समीकरण $18x^2 - 9\pi x + \pi^2 = 0$,$f(x) = x^2$,और $g(x) = \cos x$ के मूल हैं। तो $\int_{\alpha}^{\beta} x (g \circ f(x)) dx =$

  • A
    $\frac{\sqrt{3} - 1}{4}$
  • B
    $\frac{\sqrt{3}}{4}$
  • C
    $\frac{2 + \sqrt{3}}{2}$
  • D
    $\frac{1}{2} (\sin \frac{\pi^2}{9} - \sin \frac{\pi^2}{36})$

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मान लीजिए $\frac{d}{dx}F(x) = \frac{e^{\sin x}}{x}$ जहाँ $x > 0$ है। यदि $\int_{1}^{4} \frac{3}{x} e^{\sin(x^3)} dx = F(k) - F(1)$ है,तो $k$ का एक संभावित मान है:

यदि $\int\limits_0^2 375 x^5 (1 + x^2)^{-4} dx = 2^n$ है,तो $n$ का मान ज्ञात कीजिए:

$\int\limits_0^{{{\left( {\frac{\pi }{2}} \right)}^{\frac{1}{3}}}} {\,{x^5}\cdot\sin {x^3}\,dx} $ $=$

$\int_{1}^{e} \frac{dx}{x(1+\log x)^{2}} =$

$\int_{\pi /4}^{\pi /2} \cos \theta \csc^2 \theta \, d\theta = $

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