$\int_0^{\frac{\pi}{2}} \frac{\sin \left(\frac{\pi}{4}+x\right)+\sin \left(\frac{3 \pi}{4}+x\right)}{\cos x+\sin x} d x=$

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

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$\int_{-\pi / 2}^{\pi / 2} \frac{\cos ^{2} x}{1+3^{x}} d x$ નું મૂલ્ય શોધો.

ધારો કે $f: \mathbb{R} \rightarrow \mathbb{R}$ અને $g: \mathbb{R} \rightarrow \mathbb{R}$ સતત વિધેયો છે. તો સંકલન $\int_{-\frac{\pi}{2}}^{\frac{\pi}{2}} [f(x)+f(-x)][g(x)-g(-x)] \, dx$ ની કિંમત શોધો.

નિશ્ચિત સંકલનનું મૂલ્ય શોધો: $\int_{\frac{1}{2}}^{2} \frac{x^2 \ln x}{(1+x^2)^3} dx$

$I=\int_{\sqrt{\log _e 2}}^{\sqrt{\log _e 3}} \frac{x \sin x^2}{\sin x^2+\sin \left(\log _e 6-x^2\right)} d x$ ની કિંમત શોધો.

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