2 u + 3ư - 2u =te , where u(0) = 0, u'(0) = -2.

Advanced Engineering Mathematics
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ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
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5) Solve the differential equation
2 u" + 3u – 2u = te-" , where u(0) = 0, u'(0) = -2.
%3!
Transcribed Image Text:5) Solve the differential equation 2 u" + 3u – 2u = te-" , where u(0) = 0, u'(0) = -2. %3!
Expert Solution
Step 1

The objective is to solve the differential equation 2u''+3u'-2u=te-2t where u0=0, u'0=-2

Now let's find the solution for the homogenous part,

2u''+3u'-2u=0

Take m=ddtthen,

2m2+3m-2=02m2-4m+m-2=02mm-2+m-2=02m+1m-2=0

So the solution for the homogenous equation is, yc=c1e-t/2+c2e2t.

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