નિશ્ચિત સંકલન $\int_0^{\pi /2} \log(\tan x) \, dx$ ની કિંમત શોધો.

  • A
    $\frac{\pi }{2} \log_e 2$
  • B
    $-\frac{\pi }{2} \log_e 2$
  • C
    $\pi \log_e 2$
  • D
    $0$

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