Respuesta :

Try this solution:
[tex]5 \frac{dy}{dx}=- \frac{3}{xy^4}; \ 5y^4dy=- \frac{3dx}{x}; \ y^5=-3*lnx+C;[/tex]
then
[tex]y=(C-3lnx)^{1/5}.[/tex]

answer: 2.
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