2.15.1.69 problem 69 out of 249

Link to actual problem [9789] \[ \boxed {y^{\prime \prime \prime }+2 f \left (x \right ) y^{\prime }+f^{\prime }\left (x \right ) y=0} \]

type detected by program

{"unknown"}

type detected by Maple

[[_3rd_order, _with_linear_symmetries]]

Maple symgen result This shows Maple’s found \(\xi ,\eta \) and the corresponding canonical coordinates \(R,S\)\begin{align*} \\ \\ \end{align*}