1.10 problem 10

Internal problem ID [7399]

Book: Second order enumerated odes
Section: section 1
Problem number: 10.
ODE order: 2.
ODE degree: 2.

CAS Maple gives this as type [[_2nd_order, _quadrature]]

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

Solution by Maple

Time used: 0.0 (sec). Leaf size: 27

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

\begin{align*} y \left (x \right ) = \frac {4 x^{\frac {5}{2}}}{15}+x c_{1} +c_{2} y \left (x \right ) = -\frac {4 x^{\frac {5}{2}}}{15}+x c_{1} +c_{2} \end{align*}

Solution by Mathematica

Time used: 0.004 (sec). Leaf size: 41

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

\begin{align*} y(x)\to -\frac {4 x^{5/2}}{15}+c_2 x+c_1 y(x)\to \frac {4 x^{5/2}}{15}+c_2 x+c_1 \end{align*}