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Where do I start?

  1. Apr 3, 2015 #1
    Show that

    Screenshot 2015-04-02 20.39.13.png

    After some arguments about the equation and some other shenanigans beyond this question, we find that
    Screenshot 2015-04-03 20.42.21.png
    With the equation equaling zero, we can derive equations of motion.
  2. jcsd
  3. Apr 3, 2015 #2


    Staff: Mentor

    What's your question? Your title, "Where do I start" doesn't provide much guidance.
  4. Apr 3, 2015 #3
    I'm just not even sure what my first step would be in this case.
  5. Apr 3, 2015 #4


    User Avatar
    2017 Award

    Staff: Mentor

    To show some property of the Lagrangian, you first need the Lagrangian.
    We don't know where to start if you do not share the full problem.
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