Dismiss Notice
Join Physics Forums Today!
The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

I have some questions about ODE

  1. Aug 30, 2008 #1
  2. jcsd
  3. Aug 30, 2008 #2

    tiny-tim

    User Avatar
    Science Advisor
    Homework Helper

    Welcome to PF!

    Hi prison-rat! Welcome to PF! :smile:

    Show us what you've done and where you're stuck, and then we'll know how to help you! :wink:

    Start with question 1. :smile:
     
  4. Aug 31, 2008 #3
  5. Aug 31, 2008 #4

    HallsofIvy

    User Avatar
    Staff Emeritus
    Science Advisor

    You are fine until 2b
    [tex]\int \frac{dy}{1- 2y}\ne ln(1- 2y)+ C[/tex]
    Let u= 1- 2y and substitute.
     
  6. Aug 31, 2008 #5

    HallsofIvy

    User Avatar
    Staff Emeritus
    Science Advisor

    Numbers 3 and 4 look fairly standard. Do you know what an "exact differential" is?

    For number 4, notice that there are no odd powers in the characteristic equation.
     
Know someone interested in this topic? Share this thread via Reddit, Google+, Twitter, or Facebook

Have something to add?



Similar Discussions: I have some questions about ODE
  1. Some ODE help needed (Replies: 1)

Loading...