2.370   ODE No. 370

1. Problem in Latex
2. Mathematica input
3. Maple input

$$-f(x{)}^2+y^{\prime }(x{)}^2+y(x{)}^2=0$$ ✗ Mathematica : cpu = 17.2047 (sec), leaf count = 0 , could not solve

DSolve[-f[x]^2 + y[x]^2 + Derivative[1][y][x]^2 == 0, y[x], x]

✗ Maple : cpu = 0. (sec), leaf count = 0 , could not solve

dsolve(diff(y(x),x)^2+y(x)^2-f(x)^2 = 0,y(x))