60.1.369 problem 370

Internal problem ID [10383]
Book : Differential Gleichungen, E. Kamke, 3rd ed. Chelsea Pub. NY, 1948
Section : Chapter 1, linear first order
Problem number : 370
Date solved : Monday, January 27, 2025 at 07:38:36 PM
CAS classification : [`y=_G(x,y')`]

\begin{align*} {y^{\prime }}^{2}+y^{2}-f \left (x \right )^{2}&=0 \end{align*}

Solution by Maple

dsolve(diff(y(x),x)^2+y(x)^2-f(x)^2 = 0,y(x), singsol=all)
 
\[ \text {No solution found} \]

Solution by Mathematica

Time used: 0.000 (sec). Leaf size: 0

DSolve[-f[x]^2 + y[x]^2 + D[y[x],x]^2==0,y[x],x,IncludeSingularSolutions -> True]
 

Not solved