Internal problem ID [1122]
Book: Elementary differential equations with boundary value problems. William F. Trench.
Brooks/Cole 2001
Section: Chapter 5 linear second order equations. Section 5.6 Reduction or order. Page
253
Problem number: 16.
ODE order: 2.
ODE degree: 1.
CAS Maple gives this as type [[_2nd_order, _linear, _nonhomogeneous]]
\[ \boxed {4 x^{2} y^{\prime \prime }-4 x \left (x +1\right ) y^{\prime }+\left (2 x +3\right ) y=4 x^{\frac {5}{2}} {\mathrm e}^{2 x}} \] Given that one solution of the ode is \begin {align*} y_1 &= \sqrt {x} \end {align*}
✓ Solution by Maple
Time used: 0.031 (sec). Leaf size: 20
dsolve([4*x^2*diff(y(x),x$2)-4*x*(x+1)*diff(y(x),x)+(2*x+3)*y(x)=4*x^(5/2)*exp(2*x),x^(1/2)],singsol=all)
\[ y \left (x \right ) = \left (c_{2} +{\mathrm e}^{x} c_{1} +\frac {{\mathrm e}^{2 x}}{2}\right ) \sqrt {x} \]
✓ Solution by Mathematica
Time used: 0.04 (sec). Leaf size: 31
DSolve[4*x^2*y''[x]-4*x*(x+1)*y'[x]+(2*x+3)*y[x]==4*x^(5/2)*Exp[2*x],y[x],x,IncludeSingularSolutions -> True]
\[ y(x)\to \frac {1}{2} \sqrt {x} \left (e^{2 x}+2 c_2 e^x+2 c_1\right ) \]