Questão 2126631

\(y\left(t\right)=e^t+C.e^{2t}\)

\(y\left(t\right)=3e^{-2t}+C.e^t\)

\(y\left(t\right)=\frac{1}{3}\ e^t+C.e^{-2t}\)

\(y\left(t\right)=\frac{1}{2}\ e^{2t}+C.e^{-t}\)

\(y\left(t\right)=2e^t+C.e^{-2t}\)