$0 \le x \le 1$ માટે ${\tan ^{ - 1}}\left( {\frac{{1 - x}}{{1 + x}}} \right)$ ની ન્યૂનતમ અને મહત્તમ કિંમતો શોધો.

  • A
    $0, \frac{\pi}{4}$
  • B
    $0, \frac{\pi}{4}$
  • C
    $-\frac{\pi}{4}, \frac{\pi}{4}$
  • D
    $\frac{\pi}{4}, \frac{\pi}{2}$

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