If $y = \frac{x}{\log_e|cx|}$ is the solution of the differential equation $\frac{dy}{dx} = \frac{y}{x} + \phi\left(\frac{x}{y}\right)$,then $\phi\left(\frac{x}{y}\right)$ is given by

  • A
    $\frac{y^2}{x^2}$
  • B
    $-\frac{y^2}{x^2}$
  • C
    $\frac{x^2}{y^2}$
  • D
    $-\frac{x^2}{y^2}$

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