यदि $\operatorname{Sinh}^{-1} x = \log 3$ और $\operatorname{Cosh}^{-1} y = \log \frac{3}{2}$ है,तो $\operatorname{Tanh}^{-1}(x-y) = $

  • A
    $\log \sqrt{\frac{5}{3}}$
  • B
    $\log \frac{5}{3}$
  • C
    $\log \frac{4}{3}$
  • D
    $\log \frac{2}{\sqrt{3}}$

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