Author Topic: Quiz 4 TUT 0702  (Read 720 times)

Yu Qi Huang

  • Newbie
  • *
  • Posts: 3
  • Karma: 0
    • View Profile
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)