જો $y = \log_{10}x + \log_x 10 + \log_x x + \log_{10} 10$ હોય,તો $\frac{dy}{dx} = $

  • A
    $\frac{1}{x \ln 10} - \frac{\ln 10}{x (\ln x)^2}$
  • B
    $\frac{1}{x \ln 10} - \frac{1}{x \log_{10} e}$
  • C
    $\frac{1}{x \ln 10} + \frac{\ln 10}{x (\ln x)^2}$
  • D
    આમાંથી કોઈ નહીં

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