# Determine the type and stability of the critical point. Then find a real general solution and sketch or graph some of the trajectories in the phase plane. Show the details of your work. y' 1 = 4y 1 + y 2 y' 2 = 4y 1 + 4y 2

Chapter 4, P R O B L E M S E T 4 . 4 #9

Determine the type and stability of the critical point. Then find a real general solution and sketch or graph some of the trajectories in the phase plane. Show the details of your work.

y'_{1} = 4y_{1} + y_{2}

y'_{2} = 4y_{1} + 4y_{2}

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P R O B L E M S E T 4 . 3:

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P R O B L E M S E T 4 . 5:

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