$x$ के मानों का समुच्चय ज्ञात कीजिए जिसके लिए $\tan ^{-1}\left(\frac{x}{x-2}\right)-\tan ^{-1}\left(\frac{x}{2 x-1}\right)=\tan ^{-1}\left(\frac{2}{3}\right)$ है।

  • A
    $\phi$
  • B
    $\left\{\frac{1}{2}\right\}$
  • C
    $\left\{\frac{1}{3}, 2\right\}$
  • D
    $\left\{\frac{1}{3}, 4\right\}$

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