1.

अवकल समीकरणों को हल कीजिये `(x^(3)+3xy^(2))dx+(y^(3)+3x^(2)y)dy=0`

Answer» Correct Answer - `y^(4)+6x^(2)y^(2)+x^(4)=c`
`(dy)/(dx)=-((x^(3)+3xy^(2)))/(y^(3)+3x^(2)y)implies(v^(3)+3v)/(v^(4)+6v^(2)+1).dv=-(1)/(x)dx`
जब y=vx


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