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OpenStudy (anonymous):
find the general solution for the diff. eq. u" + u' = 3t by introducing y = u'
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OpenStudy (anonymous):
would you substitute in y for u' and 1 for u", then solve it using an integrating factor?
OpenStudy (watchmath):
Yes, it seems like that. In that way you solve for u' first. After that you can solve it for u.
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