સંકલન $\int_0^\pi \frac{8 x \, dx}{4 \cos^2 x + \sin^2 x}$ ની કિંમત શોધો.

  • A
    $2 \pi^2$
  • B
    $4 \pi^2$
  • C
    $\pi^2$
  • D
    $\frac{3 \pi^2}{2}$

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$\int_0^{3 \pi / 2} \frac{\cos ^3 x}{\cos ^3 x+\sin ^3 x} d x=$

નીચેનાને જોડો:
List-$I$List-$II$
$I. \int_{-1}^1 x|x| dx$$(a) \frac{\pi}{2}$
$II. \int_0^{\pi/2} \left(1 + \log \left(\frac{4+3\sin x}{4+3\cos x}\right)\right) dx$$(b) \int_0^a 2f(x) dx$
$III. \int_0^a f(x) dx$$(c) \int_0^a [f(x) + f(-x)] dx$
$IV. \int_{-a}^a f(x) dx$$(d) 0$
$(e) \int_0^a f(a-x) dx$

$\int_0^{\pi /4} {\log (1 + \tan \theta )\,d\theta = } $

Difficult
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જો $I = \int_0^{\frac{\pi}{4}} \log (1 + \tan x) \, dx$ હોય,તો $I$ ની કિંમત શોધો.

$x > 0$ માટે,ધારો કે $f(x) = \int_{1}^{x} \frac{\log t}{1+t} dt$. તો $f(x) + f\left(\frac{1}{x}\right)$ ની કિંમત શોધો:

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