8.23 problem 9 (b)

Internal problem ID [12401]

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: 9 (b).
ODE order: 1.
ODE degree: 1.

CAS Maple gives this as type [_separable]

\[ \boxed {y^{\prime }-3 x y^{\frac {1}{3}}=0} \] With initial conditions \begin {align*} [y \left (-1\right ) = 1] \end {align*}

Solution by Maple

Time used: 0.015 (sec). Leaf size: 9

dsolve([diff(y(x),x)=3*x*y(x)^(1/3),y(-1) = 1],y(x), singsol=all)
 

\[ y \left (x \right ) = -x^{3} \]

Solution by Mathematica

Time used: 0.214 (sec). Leaf size: 12

DSolve[{y'[x]==3*x*y[x]^(1/3),{y[-1]==1}},y[x],x,IncludeSingularSolutions -> True]
 

\[ y(x)\to \left (x^2\right )^{3/2} \]