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A Differential Equation. NEED your help

  1. Jun 27, 2010 #1
    Hi everyone, I need your help. I am getting trouble in two differential Equation.

    The first one:
    How can I solve the family of Differential Equation y' = -y*(y-6)^2 - a ? I want to sketch the bifurcation diagram, and what value can “a” be? THX.

    The second one:
    A DE y' = (1/t)*(2*y + 1). Does there exist a unique solution that satisfies y(-1) = 0? If so, find it. If not, find all solutions and explain why this does not contradict the uniqueness Theorem. How to solve it? Plz.
    I am now waiting the answers online. Thx.
     
  2. jcsd
  3. Jun 28, 2010 #2

    Mark44

    Staff: Mentor

    What have you tried? Per the rules of this forum, you need to show some effort at the solution of homework problems.
     
  4. Jun 28, 2010 #3
    The second one, i think, there is only one solution.
     
  5. Jun 28, 2010 #4

    Redbelly98

    User Avatar
    Staff Emeritus
    Science Advisor
    Homework Helper

    Moderator's note: thread moved to Homework forums from Differential Equations.
    If you don't explain how you figured that out, people could assume you are just doing a random guess, which really isn't making an attempt at solving the problem.
     
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