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Toronto Math Forum
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MAT244--2020F
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MAT244--Test & Quizzes
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Test 2
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Question regarding P3 on TT
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Topic: Question regarding P3 on TT (Read 3604 times)
kevin
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Question regarding P3 on TT
«
on:
October 28, 2020, 03:28:15 AM »
for some problem 3 we choose y1 = Ae^t and sometimes we choose y1 = Bte^t (just like the question below) How do we know when to choose which term for y1?
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Last Edit: October 28, 2020, 03:32:38 AM by kevin
»
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YuyingC
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Re: Question regarding P3 on TT
«
Reply #1 on:
October 29, 2020, 07:18:49 AM »
When we choose y1=Ae^t and the result is 0 regardless of A, then we need to choose y1=Ate^t.
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Yuanting Wu
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Posts: 3
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Re: Question regarding P3 on TT
«
Reply #2 on:
October 29, 2020, 10:10:44 AM »
The letters are used to help you find the particular solution. The reason why different letters are used is to avoid duplication.
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Toronto Math Forum
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MAT244--2020F
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MAT244--Test & Quizzes
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Test 2
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Question regarding P3 on TT