Internal problem ID [6689]
Book: DIFFERENTIAL EQUATIONS with Boundary Value Problems. DENNIS G. ZILL,
WARREN S. WRIGHT, MICHAEL R. CULLEN. Brooks/Cole. Boston, MA. 2013. 8th
edition.
Section: CHAPTER 7 THE LAPLACE TRANSFORM. 7.4.1 DERIVATIVES OF A
TRANSFORM. Page 309
Problem number: 10.
ODE order: 1.
ODE degree: 1.
CAS Maple gives this as type [[_linear, `class A`]]
\[ \boxed {y^{\prime }-y={\mathrm e}^{t} \sin \left (t \right ) t} \] With initial conditions \begin {align*} [y \left (0\right ) = 0] \end {align*}
✓ Solution by Maple
Time used: 1.922 (sec). Leaf size: 15
dsolve([diff(y(t),t)-y(t)=t*exp(t)*sin(t),y(0) = 0],y(t), singsol=all)
\[ y \left (t \right ) = -{\mathrm e}^{t} \left (-\sin \left (t \right )+\cos \left (t \right ) t \right ) \]
✓ Solution by Mathematica
Time used: 0.069 (sec). Leaf size: 17
DSolve[{y'[t]-y[t]==t*Exp[t]*Sin[t],{y[0]==0}},y[t],t,IncludeSingularSolutions -> True]
\[ y(t)\to e^t (\sin (t)-t \cos (t)) \]