1)Solve the following nonhouganeous equation i)
(du)/(dt)+au=e^(-at)ii)
(d^(2)u)/(dt^(2))+u=costiii)
(du)/(dt)+a(u-T)=0Solve the following initial value problems. a)
u^(')-2u=0,u(0)=1b)
u^(')+2u=0,u(0)=1c)
u^('')+4u^(')+3u=0,u(0)=1,u^(')(0)=0d)
u^('')+g_(u)=0,u(0)=0,u^(')(0)=110) Solve the following inhoigeneneaus preblews with zero initial conobtions. a)
u^(')+au=1b.)
u^('')+u=tc)
u^('')+4u=sin(t)d)
u^('')+4u=sin(2t)e)
u^('')+2u^(')=1-e^(-t)f)
u^('')-u=1