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Author Topic: Quiz 4 TUT 0702  (Read 4390 times)

Yu Qi Huang

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Quiz 4 TUT 0702
« on: October 18, 2019, 02:12:16 PM »
Find the general solution for y'' - 6y' + 9y = 0.

Solution:
changing it into characteristic equation it becomes:
r^2 - 6r + 9 = 0
(r-3)^2 = 0
r = 3

Hence y(t) = c_1e^(3t) + c_2te^(3t)
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