2.11.5.7 problem 407 out of 445

Link to actual problem [12003] \[ \boxed {2 x y+\left (x^{2}+2 y\right ) y^{\prime }=\sec \left (x \right )^{2}} \]

type detected by program

{"exact"}

type detected by Maple

[_exact, [_1st_order, `_with_symmetry_[F(x),G(x)]`], [_Abel, `2nd type`, `class A`]]

Maple symgen result This shows Maple’s found \(\xi ,\eta \) and the corresponding canonical coordinates \(R,S\).\begin{align*} \left [\underline {\hspace {1.25 ex}}\xi &= 0, \underline {\hspace {1.25 ex}}\eta &= \frac {1}{x^{2}+2 y}\right ] \\ \\ \end{align*}