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MAT244--2019F
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Quiz-4
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Quiz 4 TUT0202
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Topic: Quiz 4 TUT0202 (Read 6762 times)
Mengyuan Wang
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Quiz 4 TUT0202
«
on:
October 19, 2019, 04:46:15 PM »
4y'' + 12y' + 9y = 0
let y = e^rt
y' = re^rt
y''= r^2e^rt
4r^2 + 12r +9r = 0
r = -(2/3)
thus
y = c1e^(-(2/3))t + tc1e^(-(2/3))t
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Toronto Math Forum
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MAT244--2019F
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MAT244--Test & Quizzes
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Quiz-4
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Quiz 4 TUT0202