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- Thread starter aparra2
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cristo

Staff Emeritus

Science Advisor

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Welcome to the forums aparra2. Firstly, please note that all homework/textbook questions like this should be posted in the homework forums. Also note that you need to show your work before we can help you- forum rules.

For this question, your image is not clear, and I can't quite read the questions. Perhaps you could type the equations out? If you do, then I may be able to give you hints; but are you sure you don't know where to start? What do you know about how to solve these type of equations?

For this question, your image is not clear, and I can't quite read the questions. Perhaps you could type the equations out? If you do, then I may be able to give you hints; but are you sure you don't know where to start? What do you know about how to solve these type of equations?

Last edited:

- #3

HallsofIvy

Science Advisor

Homework Helper

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[tex]p\frac{dp}{dt}= 1+ x+ 2y+ 2xy[/tex]?

If so, are we to treat y as a constant?

Is the second equation

[tex](1+ x^2)\frac{dp}{dx}+ 4xp= \frac{1}{1+x^2}[/tex]?

If so, that is a linear equation. There is a standard formula for finding an "integrating factor". Do you know it?

Is the third equation

[tex](p+ t^2y)\frac{dy}{dx}= 2tdt[/tex]?

If so can we treat p as a constant?

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