$\int_{0}^{\pi} \frac{\cos ^{4} x}{\cos ^{4} x+\sin ^{4} x} d x$ ની કિંમત શોધો.

  • A
    $\frac{\pi}{4}$
  • B
    $\frac{\pi}{2}$
  • C
    $\frac{\pi}{8}$
  • D
    $\pi$

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સંકલન $\sum\limits_{k = 1}^n {\int_0^1 {f(k - 1 + x)\,dx} } $ નું મૂલ્ય શું છે?

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$\int_{0}^{1} \frac{8 \log(1+x)}{1+x^{2}} dx = $

વિધાન $(A)$: $\int_{\frac{\pi}{6}}^{\frac{\pi}{3}} \frac{(\sin x)^{\sqrt{2}} dx}{(\sin x)^{\sqrt{2}}+(\cos x)^{\sqrt{2}}} = \frac{\pi}{12}$
કારણ $(R)$: $\int_{a}^{b} \frac{f(x) dx}{f(x)+f(a+b-x)} = \frac{b-a}{2}$

ધારો કે $f$ એવું છે કે દરેક વાસ્તવિક $x$ માટે $f(-x) = -f(x)$ અને $\int_{0}^{1} f(x) dx = 5$,તો $\int_{-1}^{0} f(t) dt = $

જો $\int_0^{2024 \pi} \frac{2023^{\sin ^2 x}}{2023^{\sin ^2 x}+2023^{\cos ^2 x}} d x=k$ હોય,તો $\left(\frac{2 k}{\pi}+1\right)=$

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