$\int_0^\pi {{e^{{{\cos }^2}x}}{{\cos }^5}3x} \,dx$ का मान है

  • A
    $1$
  • B
    $-1$
  • C
    $0$
  • D
    इनमें से कोई नहीं

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$\int_0^{\pi / 4} \log (1+\tan x) d x=$

$\int_{0}^{\frac{\pi}{2}} \frac{\sin^{\frac{2}{3}} x}{\sin^{\frac{2}{3}} x + \cos^{\frac{2}{3}} x} dx =$

$\frac{8}{\pi} \int \limits_0^{\frac{\pi}{2}} \frac{(\cos x)^{2023}}{(\sin x)^{2023}+(\cos x)^{2023}} dx$ का मान $.............$ है।

यदि $f(a + b - x) = f(x)$ है,तो $\int_{a}^{b} x f(x) dx$ किसके बराबर है?

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