ધારો કે $\alpha$ અને $\beta$ $(\alpha < \beta)$ એ $18x^2 - 9\pi x + \pi^2 = 0$,$f(x) = x^2$,અને $g(x) = \cos x$ ના બીજ છે. તો $\int_{\alpha}^{\beta} x (g \circ f(x)) dx =$

  • 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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$\int_{\frac{2}{e}}^{\frac{1}{e}} \frac{1}{x(\log x)^{\frac{1}{3}}} dx$ ની કિંમત શોધો.

$\int_0^4 \frac{1}{1+\sqrt{x}} \, dx = \dots$

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

ધારો કે $2^{1-a} + 2^{1+a}$, $f(a)$, $3^a + 3^{-a}$ એ $A$.$P$. માં છે અને $\alpha$ એ $f(a)$ ની ન્યૂનતમ કિંમત છે. તો સંકલન $\int_{\log_e(\alpha-1)}^{\log_e(\alpha)} \frac{dx}{e^{2x} - e^{-2x}}$ ની કિંમત શોધો:

જો $\int_{\log 2}^x \frac{du}{({e^u} - 1)^{1/2}} = \frac{\pi}{6}$ હોય,તો ${e^x} = $

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