ધારો કે $2^{1-a} + 2^{1+a}$, $f(a)$, $3^a + 3^{-a}$ એ $A$.$P$. માં છે અને $\alpha$ એ $f(a)$ ની ન્યૂનતમ કિંમત છે. તો સંકલન $\int_{\log_e(\alpha-1)}^{\log_e(\alpha)} \frac{dx}{e^{2x} - e^{-2x}}$ ની કિંમત શોધો:

  • A
    $\frac{1}{2}\log_e\left(\frac{4}{3}\right)$
  • B
    $\frac{1}{4}\log_e\left(\frac{4}{3}\right)$
  • C
    $\frac{1}{2}\log_e\left(\frac{8}{5}\right)$
  • D
    $\frac{1}{4}\log_e\left(\frac{8}{5}\right)$

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