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Topics - Shujun Fan

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Final Assessment--Part I / The general format of the final
« on: December 13, 2020, 02:29:36 PM »
Hello, I just wanna make sure, will the format of the exam the same as our prof posted, exactly same types of questions?

Thanks in advance

Chapter 2 / Problem of Section 2.6 Q28
« on: October 01, 2020, 04:45:10 PM »
Hi there, I think there might be some problem with Q28. After I found the integrating factor and then solve for the solution, it's impossible to find the solution of my h(y) in this case (see the last line of my writing).


So in this case, I think there might be some problem with the factor that I circled in white.


Any help would be appreciated.

Chapter 2 / LEC 0201 question (W2L2)
« on: September 18, 2020, 10:42:46 PM »
For another question, I've calculated this problem by using another method, which I think it makes sense,
but when I compared it to the slides, this is completely wrong, can somebody help me with it?

Any help would be appreciated.

Chapter 2 / W2L2 question
« on: September 18, 2020, 09:20:16 PM »
Hi, I have a question about this one, the file attached.
In the red circle, I think the answer should be the antiderivative of cos(t) in stead of 1, is this a typo?

Any help would be appreciated:)

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