$\int\limits_{\frac{-\pi}{2}}^{\frac{\pi}{2}} \frac{\sin^2 x}{1 + (2017)^x} \, dx$ નું મૂલ્ય શોધો.

  • A
    $\frac{\pi}{4}$
  • B
    $\frac{\pi}{2}$
  • C
    $\pi$
  • D
    $0$

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$\int_{-\frac{\pi}{2}}^{\frac{\pi}{2}} \sin^2 x \cos^2 x(\sin x + \cos x) dx =$

જો $\alpha=\int_{\frac{1}{2}}^2 \frac{\tan ^{-1} x}{2 x^2-3 x+2} d x$ હોય,તો $\sqrt{7} \tan \left(\frac{2 \alpha \sqrt{7}}{\pi}\right)$ ની કિંમત $....$ છે. (અહીં,પ્રતિ-ત્રિકોણમિતીય વિધેય $\tan ^{-1} x$ એ $\left(-\frac{\pi}{2}, \frac{\pi}{2}\right)$ માં કિંમતો ધારણ કરે છે.)

$\int_{-\frac{\pi}{2}}^{\frac{\pi}{2}} \left(x^2 + \log \left(\frac{\pi-x}{\pi+x}\right) \cdot \cos x\right) dx =$

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_{ - 3}^3 {\frac{{{x^2}\sin 2x}}{{{x^2} + 1}}\,dx = } $

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