Solve the differential equation `dy/dx + y/x = y^2/x^2`

Explanation

$$ \begin{aligned} &\frac{d y}{d x}+\frac{y}{x}=\frac{y^{2}}{x^{2}} \\ &\Rightarrow \frac{d y}{d x}=\frac{y^{2}-x y}{x^{2}} \quad \ldots \text { (1) } \end{aligned} $$
It is a homogeneous differential eqn.
Put `y=v x`
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