28.3 problem Ex 3

Internal problem ID [11284]

Book: An elementary treatise on differential equations by Abraham Cohen. DC heath publishers. 1906
Section: Chapter VII, Linear differential equations with constant coefficients. Article 51. Cauchy linear equation. Page 114
Problem number: Ex 3.
ODE order: 2.
ODE degree: 1.

CAS Maple gives this as type [[_2nd_order, _exact, _linear, _nonhomogeneous]]

\[ \boxed {x^{2} y^{\prime \prime }+3 x y^{\prime }+y=\frac {1}{\left (1-x \right )^{2}}} \]

Solution by Maple

Time used: 0.0 (sec). Leaf size: 31

dsolve(x^2*diff(y(x),x$2)+3*x*diff(y(x),x)+y(x)=1/(1-x)^2,y(x), singsol=all)
 

\[ y \left (x \right ) = \frac {\ln \left (x \right ) c_{1}}{x}+\frac {c_{2}}{x}-\frac {\ln \left (x -1\right )-\ln \left (x \right )}{x} \]

Solution by Mathematica

Time used: 0.061 (sec). Leaf size: 27

DSolve[x^2*y''[x]+3*x*y'[x]+y[x]==1/(1-x)^2,y[x],x,IncludeSingularSolutions -> True]
 

\[ y(x)\to \frac {-\log (1-x)+\log (x)+c_2 \log (x)+c_1}{x} \]