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\begin{center}
  \Large{11. Gyak.}  

  Állandó együtthatós, lineáris, inhomogén \\ differenciálegyenlet rendszer \\ $\dot{\underline{x}}=\underline{\underline{A}}\ \underline{x}+\underline{b}(t)$, $n=2$
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  \Large
  
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\begin{enumerate}
  \item $\dot{x}=3x +2y + t, \ x(0)=1$ \\
       $\dot{y}=2x +6y +3, \ y(0)=2$
  \item $\dot{x}=-x + y + 2$ \\
       $\dot{y}=-x - y -4 $
  \item $\dot{x}=-5x - y + e^t$ \\
       $\dot{y}= x -3y +e^{2t} $
  \item $\dot{x}= x - y -2t $ \\
       $\dot{y}= 2x + y + 2$
  \item $\dot{x}= x + 4y + e^{3t}$ \\
       $\dot{y}=-x + y -3e^{-3t} $
  \item $\dot{x}= x - y + 4$ \\
       $\dot{y}= 2x - y -2t $
\end{enumerate}

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