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View attachment 9453
Problem: Find a (limited?) solution to the diff eq.
View attachment 9454
At the end of the solution, when you transform $$\frac{-1}{s+1} + \frac{2}{s-3}$$
why doesn't it become $$-e^{-t} + 2e^{3t} $$, t>0 ?
Problem: Find a (limited?) solution to the diff eq.
View attachment 9454
At the end of the solution, when you transform $$\frac{-1}{s+1} + \frac{2}{s-3}$$
why doesn't it become $$-e^{-t} + 2e^{3t} $$, t>0 ?