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## Homework Statement

[tex]\dot{x}=2x+5y+1, \dot{y}=-x+3y-4[/tex]

## Homework Equations

## The Attempt at a Solution

Well, if system was: [tex]\dot{x}=2x+5y, \dot{y}=-x+3y[/tex] we let a=2, b=5, c=-1, d=3.

Then p = a + d and q =ad - bc and we investigate [tex] p^2-4q[/tex]

Don't know what to do when [tex]\dot{x}=2x+5y+1, \dot{y}=-x+3y-4[/tex]

Thanks

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