y 4y+ 4y = f (t); y(0) = 2, y (0) = 1, with f (t) = t for
Chapter 3, Problem 3.66(choose chapter or problem)
y 4y+ 4y = f (t); y(0) = 2, y (0) = 1, with f (t) = t for 0 t < 3 t + 2 for t 3
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