4.39.11 \(y(x) y''(x)+y'(x)^2-x y'(x)+y(x)=0\)

ODE
\[ y(x) y''(x)+y'(x)^2-x y'(x)+y(x)=0 \] ODE Classification

[[_2nd_order, _with_linear_symmetries]]

Book solution method
TO DO

Mathematica
cpu = 37.6507 (sec), leaf count = 0 , could not solve

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

Maple
cpu = 0.707 (sec), leaf count = 97

\[ \left \{ y \left ( x \right ) ={\it ODESolStruc} \left ( {\it \_a}\, \left ( {{\rm e}^{\int \!{\it \_b} \left ( {\it \_a} \right ) \,{\rm d}{\it \_a}+{\it \_C1}}} \right ) ^{2},[ \left \{ {\frac {\rm d}{{\rm d}{\it \_a}}}{\it \_b} \left ( {\it \_a} \right ) =6\,{\frac { \left ( {\it \_b} \left ( {\it \_a} \right ) {\it \_a}+1 \right ) {\it \_b} \left ( {\it \_a} \right ) \left ( 1/6+ \left ( {\it \_a}-1/6 \right ) {\it \_b} \left ( {\it \_a} \right ) \right ) }{{\it \_a}}} \right \} , \left \{ {\it \_a}={\frac {y \left ( x \right ) }{{x}^{2}}},{\it \_b} \left ( {\it \_a} \right ) ={\frac {{x}^{2}}{x{\frac {\rm d}{{\rm d}x}}y \left ( x \right ) -2\,y \left ( x \right ) }} \right \} , \left \{ x={{\rm e}^{\int \!{\it \_b} \left ( {\it \_a} \right ) \,{\rm d}{\it \_a}+{\it \_C1}}},y \left ( x \right ) ={\it \_a}\, \left ( {{\rm e}^{\int \!{\it \_b} \left ( {\it \_a} \right ) \,{\rm d}{\it \_a}+{\it \_C1}}} \right ) ^{2} \right \} ] \right ) \right \} \] Mathematica raw input

DSolve[y[x] - x*y'[x] + y'[x]^2 + y[x]*y''[x] == 0,y[x],x]

Mathematica raw output

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

Maple raw input

dsolve(y(x)*diff(diff(y(x),x),x)+diff(y(x),x)^2-x*diff(y(x),x)+y(x) = 0, y(x),'implicit')

Maple raw output

y(x) = ODESolStruc(_a*exp(Int(_b(_a),_a)+_C1)^2,[{diff(_b(_a),_a) = 6*(_b(_a)*_a
+1)*_b(_a)*(1/6+(_a-1/6)*_b(_a))/_a}, {_a = 1/x^2*y(x), _b(_a) = x^2/(x*diff(y(x
),x)-2*y(x))}, {x = exp(Int(_b(_a),_a)+_C1), y(x) = _a*exp(Int(_b(_a),_a)+_C1)^2
}])