Respuesta :

evgeniylevi
Try this:
[tex] \frac{dy}{dt}=1-y^2; \ =\ \textgreater \ \ \frac{dy}{y^2-1}=-dt; \ =\ \textgreater \ \ ln| \frac{y-1}{y+1}|=-2t+C.[/tex]
If it is possible, modify result to form more compact.