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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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TUT0601 Quiz4
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Topic: TUT0601 Quiz4 (Read 4350 times)
jinshuyu
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TUT0601 Quiz4
«
on:
October 18, 2019, 02:11:14 PM »
This is the answer to my question
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jinshuyu
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Re: TUT0601 Quiz4
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Reply #1 on:
October 18, 2019, 02:58:02 PM »
4y"+ 9y = 0
4r^2 + 9 =0
r^2=-9/4
r=+-(-9/4)^0.5
r=+-3/2i
y=c1cos3/2t+c2sin3/2t
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Toronto Math Forum
»
MAT244--2019F
»
MAT244--Test & Quizzes
»
Quiz-4
»
TUT0601 Quiz4