Observe the following statements:
$I$. If $dy+2xy dx=2e^{-x^2} dx$,then $ye^{x^2}=2x+c$
$II$. If $ye^{x^2}-2x=c$,then $dx=\frac{dy}{2e^{-x^2}-2xy}$
Which of the following is a correct statement?

  • A
    Both $I$ and $II$ are true
  • B
    Neither $I$ nor $II$ is true
  • C
    $I$ is true,but $II$ is false
  • D
    $I$ is false,but $II$ is true

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