1.6.2 Examples
1.6.2.1 Example 1 \(y^{\prime }=\left ( \frac {1}{x^{2}}-\frac {1}{x}\right ) y^{2}+\frac {1}{x^{2}}u^{3}\)
1.6.2.2 Example 2 \(y^{\prime }=3+2xy+y^{2}+xy^{3}\)