Differential Equations Quiz
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FOUNDATIONS & QUALITATIVE ANALYSIS
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What is the sum of all unstable equilibrium solutions for the autonomous equation
d
y
/
d
t
=
(
e
y
−
1
)
(
y
2
−
1
)
dy/dt = (e^y - 1)(y^2 - 1)
d
y
/
d
t
=
(
e
y
−
1
)
(
y
2
−
1
)
?
A
-1
B
0
C
1
D
2
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