a.) Construct the phase portrait and use it to predict the behavior of X(t) as t → 0. b.) Consider the case when a = B and use the phase portrait to predict the behavior of X as t → o when X (0) < a and X(0) > a.
a.) Construct the phase portrait and use it to predict the behavior of X(t) as t → 0. b.) Consider the case when a = B and use the phase portrait to predict the behavior of X as t → o when X (0) < a and X(0) > a.
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Question

Transcribed Image Text:5. The following autonomous differential equation models the rate at which a
new compound is formed in certain chemical reactions,
dX
3D к(а — X)(В -X)
dt
where k > 0 is a constant, and 3 > a > 0. X(t) is the number of grams of a
new compound formed in time t.
a.) Construct the phase portrait and use it to predict the behavior of X(t) as
t → 00.
b.) Consider the case when a = ß and use the phase portrait to predict the
behavior of X as t → o when X(0) < a and X(0) > a.
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