Internal problem ID [12715]
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 (d).
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 ) = -1] \end {align*}
✓ Solution by Maple
Time used: 0.015 (sec). Leaf size: 11
dsolve([diff(y(x),x)=-3*x^2/(2*y(x)),y(-1) = -1],y(x), singsol=all)
\[ y \left (x \right ) = -\left (-x \right )^{\frac {3}{2}} \]
✓ Solution by Mathematica
Time used: 0.07 (sec). Leaf size: 16
DSolve[{y'[x]==-3*x^2/(2*y[x]),{y[-1]==-1}},y[x],x,IncludeSingularSolutions -> True]
\[ y(x)\to -\sqrt {-x^3} \]