HW #$7$ Make$-$Up$)$ Solve the following initial value problems.

a$)y^{\text{'}\text{'}}+6y^{\text{'}}+13y=0$

b$)y^{\text{'}\text{'}\text{'}}-3y^{\text{'}\text{'}}+4y^{\text{'}}-12y=0$

$(1$ point each$)$

$y^{\text{'}}(0)=-1$

$y(0)=2,$

$y(0)=1,y^{\text{'}}(0)=2,y^{\text{'}\text{'}}(0)=3$