Pregunta: Resolver el problema de valor inicial respectivoy''-4y=6e3t-3et,y(0)=1,y'(0)=-1y''-2y'+5y=1+t,y(0)=0,y'(0)=4

Resolver el problema de valor inicial respectivo

$y^{\text{'}\text{'}}-4y=6e^{3t}-3e^t,y(0)=1,y^{\text{'}}(0)=-1$

$y^{\text{'}\text{'}}-2y^{\text{'}}+5y=1+t,y(0)=0,y^{\text{'}}(0)=4$