$\int_{e^2}^{e^4} \frac{1}{x} \left( \frac{e^{((\ln x)^2+1)^{-1}}}{e^{((\ln x)^2+1)^{-1}} + e^{((6-\ln x)^2+1)^{-1}}} \right) dx$ નું મૂલ્ય શોધો.

  • A
    $\ln 2$
  • B
    $2$
  • C
    $1$
  • D
    $e^2$

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સંકલનનું મૂલ્ય શોધો: $\int_0^\pi \frac{x}{\sin x}(3 \cos^2 x + 2 \sin x + \sin^3 x - 3) dx$

જો ${I_n} = \int_{0}^{\pi /4} {\tan^n x} \,dx$ હોય,તો $\lim_{n \to \infty} n[{I_n} + {I_{n - 2}}]$ ની કિંમત શોધો.

જો $S_n = \int_0^{\frac{\pi}{2}} \frac{\sin((2n-1)x)}{\sin x} dx$ અને $n$ એ પૂર્ણાંક હોય,તો $S_{n+1} - S_n =$

$\int_0^{\pi / 2} |\sin t - \cos t| \, dt =$

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

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