12.3. Applying the Method of Undetermined Coefficients
When your differential equation has constant coefficients, like this one does:
y″ + 9y′ + 8y − 4 = 0
then you should try the method of undetermined coefficients to solve it. Flip to Chapter 5 for a demonstration of this technique; then check out this additional resource: tutorial.math.lamar.edu/Classes/DE/UndeterminedCoefficients.aspx.
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