Internal problem ID [12714]
Book: Ordinary Differential Equations by Charles E. Roberts, Jr. CRC Press. 2010
Section: Chapter 2. The Initial Value Problem. Exercises 2.4.4, page 115
Problem number: 7 (c).
ODE order: 1.
ODE degree: 1.
CAS Maple gives this as type [_separable]
\[ \boxed {y^{\prime }+\frac {3 x^{2}}{2 y}=0} \] With initial conditions \begin {align*} [y \left (-1\right ) = 0] \end {align*}
✓ Solution by Maple
Time used: 0.032 (sec). Leaf size: 27
dsolve([diff(y(x),x)=-3*x^2/(2*y(x)),y(-1) = 0],y(x), singsol=all)
\begin{align*} y \left (x \right ) &= \sqrt {-x^{3}-1} \\ y \left (x \right ) &= -\sqrt {-x^{3}-1} \\ \end{align*}
✓ Solution by Mathematica
Time used: 0.069 (sec). Leaf size: 33
DSolve[{y'[x]==-3*x^2/(2*y[x]),{y[-1]==0}},y[x],x,IncludeSingularSolutions -> True]
\begin{align*} y(x)\to -\sqrt {-x^3-1} \\ y(x)\to \sqrt {-x^3-1} \\ \end{align*}