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Mathematics
Mathematics
Problem
Consider the differential equation
d
y
d
x
=
(
y
+
1
)
(
y
−
3
)
\dfrac{dy}{dx}=(y+1)(y-3)
d
x
d
y
=
(
y
+
1
)
(
y
−
3
)
. Identify all intervals of
y
y
y
for which any solution curve is increasing.
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