4.4 problem 19 (e)

Internal problem ID [5301]

Book: Schaums Outline. Theory and problems of Differential Equations, 1st edition. Frank Ayres. McGraw Hill 1952
Section: Chapter 6. Equations of first order and first degree (Linear equations). Supplemetary problems. Page 39
Problem number: 19 (e).
ODE order: 1.
ODE degree: 1.

CAS Maple gives this as type [[_linear, `class A`]]

\[ \boxed {i^{\prime }-6 i=10 \sin \left (2 t \right )} \]

Solution by Maple

Time used: 0.0 (sec). Leaf size: 23

dsolve(diff(i(t),t)-6*i(t)=10*sin(2*t),i(t), singsol=all)
 

\[ i \left (t \right ) = -\frac {\cos \left (2 t \right )}{2}-\frac {3 \sin \left (2 t \right )}{2}+{\mathrm e}^{6 t} c_{1} \]

Solution by Mathematica

Time used: 0.094 (sec). Leaf size: 28

DSolve[i'[t]-6*i[t]==10*Sin[2*t],i[t],t,IncludeSingularSolutions -> True]
 

\[ i(t)\to -\frac {1}{2} \cos (2 t)+c_1 e^{6 t}-3 \sin (t) \cos (t) \]