MAT244--2020F > Chapter 2

Problem of Section 2.6 Q28

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Shujun Fan:
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).

/Users/loreinafan/Desktop/IMG_0574.jpg

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

/Users/loreinafan/Desktop/IMG_3049.JPG

Any help would be appreciated.

Shujun Fan:
Sorry, here is the first image

Shujun Fan:
Here is the second image

Yuanting Wu:
In the textbook, it is e^(-2y). Maybe this one is correct.

Victor Ivrii:

--- Quote from: Shujun Fan 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).

--- End quote ---
If you found an integrating factor correctly there should be no problem to $h(y)$. There is a problem with your solution, not with the problem.

--- Quote from: Yuanting Wu on October 02, 2020, 03:50:03 AM ---In the textbook, it is e^(-2y). Maybe this one is correct.

--- End quote ---
Both are correct