2.13 problem 17

Internal problem ID [23]

Book: Differential equations and linear algebra, 3rd ed., Edwards and Penney
Section: Section 1.3. Slope fields and solution curves. Page 26
Problem number: 17.
ODE order: 1.
ODE degree: 1.

CAS Maple gives this as type [_separable]

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

Solution by Maple

Time used: 0.032 (sec). Leaf size: 9

dsolve([y(x)*diff(y(x),x) = -1+x,y(0) = 1],y(x), singsol=all)
 

\[ y \left (x \right ) = 1-x \]

Solution by Mathematica

Time used: 0.087 (sec). Leaf size: 14

DSolve[{y[x]*y'[x] == -1+x,y[0]==1},y[x],x,IncludeSingularSolutions -> True]
 

\[ y(x)\to \sqrt {(x-1)^2} \]