12.5 problem 10

Internal problem ID [5410]

Book: Schaums Outline. Theory and problems of Differential Equations, 1st edition. Frank Ayres. McGraw Hill 1952
Section: Chapter 17. Linear equations with variable coefficients (Cauchy and Legndre). Supplemetary problems. Page 110
Problem number: 10.
ODE order: 2.
ODE degree: 1.

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

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

Solution by Maple

Time used: 0.0 (sec). Leaf size: 65

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

\[ y = \frac {c_{1}}{x +1}+\left (x +1\right ) c_{2} -\frac {4 \ln \left (x +1\right )^{2} x -2 \ln \left (x +1\right ) x^{2}+4 \ln \left (x +1\right )^{2}-4 \ln \left (x +1\right ) x -2 \ln \left (x +1\right )+3}{4 \left (x +1\right )} \]

Solution by Mathematica

Time used: 0.262 (sec). Leaf size: 72

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

\[ y(x)\to \frac {(-1+2 c_1+2 i c_2) x^2-4 (x+1) \log ^2(x+1)+2 (x+1)^2 \log (x+1)+(-2+4 c_1+4 i c_2) x-1+4 c_1}{4 (x+1)} \]