$\tan \left[2 \tan ^{-1} \frac{1}{5}-\frac{\pi}{4}\right]$ का मान ज्ञात कीजिए।

  • A
    $\frac{5}{4}$
  • B
    $\frac{5}{16}$
  • C
    $-\frac{7}{17}$
  • D
    $\frac{7}{17}$

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