8.10 problem 2(b)

Internal problem ID [6258]

Book: Differential Equations: Theory, Technique, and Practice by George Simmons, Steven Krantz. McGraw-Hill NY. 2007. 1st Edition.
Section: Chapter 1. What is a differential equation. Problems for Review and Discovery. Page 53
Problem number: 2(b).
ODE order: 1.
ODE degree: 1.

CAS Maple gives this as type [_linear]

\[ \boxed {x^{2} y^{\prime }-2 y=3 x^{2}} \] With initial conditions \begin {align*} [y \left (1\right ) = 2] \end {align*}

Solution by Maple

Time used: 0.218 (sec). Leaf size: 39

dsolve([x^2*diff(y(x),x)-2*y(x)=3*x^2,y(1) = 2],y(x), singsol=all)
 

\[ y \left (x \right ) = 3 x -{\mathrm e}^{2-\frac {2}{x}}+6 \,\operatorname {expIntegral}_{1}\left (-\frac {2}{x}\right ) {\mathrm e}^{-\frac {2}{x}}-6 \,\operatorname {expIntegral}_{1}\left (-2\right ) {\mathrm e}^{-\frac {2}{x}} \]

Solution by Mathematica

Time used: 0.039 (sec). Leaf size: 41

DSolve[{x^2*y'[x]-2*y[x]==3*x^2,{y[1]==2}},y[x],x,IncludeSingularSolutions -> True]
 

\[ y(x)\to e^{-2/x} \left (-6 \operatorname {ExpIntegralEi}\left (\frac {2}{x}\right )+6 \operatorname {ExpIntegralEi}(2)+3 e^{2/x} x-e^2\right ) \]