$\int_0^\pi \frac{x \sin x}{1+\cos ^2 x} d x=$

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

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Similar Questions

$\int_{0}^{\pi} \frac{x \, dx}{1+\cos \alpha \sin x}, (0 < \alpha < \pi)$ ની કિંમત શોધો.

જો $f(x) = \frac{2 - x \cos x}{2 + x \cos x}$ અને $g(x) = \ln x$ $(x > 0)$ હોય,તો સંકલન $\int_{-\pi/4}^{\pi/4} g(f(x)) dx$ ની કિંમત શોધો.

જો $\int_{0}^{\pi/2} \sin^{4}(x) \cdot \cos^{2}(x) dx = \frac{\pi}{32}$ હોય,તો $\int_{0}^{\pi/2} \cos^{4}(x) \cdot \sin^{2}(x) dx$ ની કિંમત શોધો.

$\int_{-5}^{5} \log \left(\frac{7-x}{7+x}\right) dx =$

એવા સતત વિધેયો $f:[0,1] \rightarrow [0,1]$ ની સંખ્યા કેટલી છે કે જેથી તમામ $x \in (0,1]$ માટે $f(x) < x^2$ અને $\int_{0}^{1} f(x) dx = \frac{1}{3}$ થાય?

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