29.15 problem 837

Internal problem ID [3568]

Book: Ordinary differential equations and their solutions. By George Moseley Murphy. 1960
Section: Various 29
Problem number: 837.
ODE order: 1.
ODE degree: 2.

CAS Maple gives this as type [_quadrature]

Solve \begin {gather*} \boxed {4 \left (y^{\prime }\right )^{2}-9 x=0} \end {gather*}

Solution by Maple

Time used: 0.094 (sec). Leaf size: 19

dsolve(4*diff(y(x),x)^2 = 9*x,y(x), singsol=all)
 

\begin{align*} y \relax (x ) = -x^{\frac {3}{2}}+c_{1} \\ y \relax (x ) = x^{\frac {3}{2}}+c_{1} \\ \end{align*}

Solution by Mathematica

Time used: 0.003 (sec). Leaf size: 27

DSolve[4 (y'[x])^2==9 x,y[x],x,IncludeSingularSolutions -> True]
 

\begin{align*} y(x)\to -x^{3/2}+c_1 \\ y(x)\to x^{3/2}+c_1 \\ \end{align*}