Author Topic: TUT0702 quiz4  (Read 407 times)

shizhiwei

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TUT0702 quiz4
« on: October 18, 2019, 02:11:17 PM »
find the general solution of the given diffrentiation equation

y''-6y'+9y=0

r^2-6r+9=0
(r-3)^2=0
r=3

the general solution is y=(C1)e^3t+(C2)e^3t