1.20 problem 20

Internal problem ID [7409]

Book: Second order enumerated odes
Section: section 1
Problem number: 20.
ODE order: 2.
ODE degree: 1.

CAS Maple gives this as type [[_2nd_order, _missing_y], [_2nd_order, _reducible, _mu_xy]]

\[ \boxed {y^{\prime \prime }+{y^{\prime }}^{2}=x} \]

Solution by Maple

Time used: 0.015 (sec). Leaf size: 17

dsolve(diff(y(x),x$2)+diff(y(x),x)^2=x,y(x), singsol=all)
 

\[ y \left (x \right ) = \ln \left (\operatorname {AiryAi}\left (x \right ) c_{1} \pi -c_{2} \operatorname {AiryBi}\left (x \right ) \pi \right ) \]

Solution by Mathematica

Time used: 0.114 (sec). Leaf size: 15

DSolve[y''[x]+(y'[x])^2==0,y[x],x,IncludeSingularSolutions -> True]
 

\[ y(x)\to \log (x-c_1)+c_2 \]