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[tex]\frac{dy}{dx} = \frac{3y^2}{x}[/tex]

[tex]dy = \frac{3y^2}{x}dx[/tex]

[tex]dy = 3^2 x^-^1dx[/tex]

[tex]\frac {1}{3} \int \frac {dy}{y^2} = \int x^-^1dx[/tex]

[tex]\frac {1}{3} ln| y^2| = ln | x | + C[/tex]

because I forget how to integrate the polynomial...