જો $\log _{10}\left(\frac{x^{3}-y^{3}}{x^{3}+y^{3}}\right)=2$ હોય,તો $\frac{dx}{dy} = $

  • A
    $\left(-\frac{99}{101}\right) \frac{x^{2}}{y^{2}}$
  • B
    $\left(-\frac{101}{99}\right) \frac{x^{2}}{y^{2}}$
  • C
    $\left(-\frac{101}{99}\right) \frac{y^{2}}{x^{2}}$
  • D
    $\left(-\frac{99}{101}\right) \frac{y^{2}}{x^{2}}$

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