8.47 problem 13.8 (ii)

Internal problem ID [13199]

Book: Ordinary Differential Equations. An introduction to the fundamentals. Kenneth B. Howell. second edition. CRC Press. FL, USA. 2020
Section: Chapter 13. Higher order equations: Extending first order concepts. Additional exercises page 259
Problem number: 13.8 (ii).
ODE order: 2.
ODE degree: 1.

CAS Maple gives this as type [[_2nd_order, _missing_y], [_2nd_order, _reducible, _mu_y_y1]]

\[ \boxed {y^{\prime \prime }+2 x {y^{\prime }}^{2}=0} \] With initial conditions \begin {align*} [y \left (0\right ) = 3, y^{\prime }\left (0\right ) = 0] \end {align*}

Solution by Maple

Time used: 0.0 (sec). Leaf size: 5

dsolve([diff(y(x),x$2)=-2*x*diff(y(x),x)^2,y(0) = 3, D(y)(0) = 0],y(x), singsol=all)
 

\[ y \left (x \right ) = 3 \]

Solution by Mathematica

Time used: 0.949 (sec). Leaf size: 6

DSolve[{y''[x]==-2*x*y'[x]^2,{y[0]==3,y'[0]==0}},y[x],x,IncludeSingularSolutions -> True]
 

\[ y(x)\to 3 \]