ધારો કે $f(x)$ એવું વિધેય છે જે $f(x) + f(\pi - x) = \pi^2, \forall x \in R$ નું સમાધાન કરે છે. તો $\int_{0}^{\pi} f(x) \sin x \, dx$ ની કિંમત $...........$ છે.

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

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$x \in (0, \pi/2)$ માટે $\int_{0}^{\sin^2 x} \sin^{-1} \sqrt{t} \, dt + \int_{0}^{\cos^2 x} \cos^{-1} \sqrt{t} \, dt$ ની કિંમત શોધો.

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$
$(e) \int_0^a f(a-x) dx$

જો $\int_{ - a}^a {\sqrt {\frac{{a - x}}{{a + x}}} \,dx = k\pi ,} $ હોય,તો $k = $

$\int_{-\frac{\pi}{2}}^{\frac{\pi}{2}} \left(\frac{1+\sin^{2} x}{1+\pi^{\sin x}}\right) \, dx$ નું મૂલ્ય શોધો.

જો $\int_{0}^{1} 4 \cot^{-1}(1-x+x^{2}) dx = a \tan^{-1}(2) - b \log_{e}(5)$,જ્યાં $a, b \in N$,તો $(2a+b)$ ની કિંમત શોધો:

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