1. Limited time only! Sign up for a free 30min personal tutor trial with Chegg Tutors
    Dismiss Notice
Dismiss Notice
Join Physics Forums Today!
The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

Homework Help: Find the orthogonal trajectories

  1. Feb 22, 2013 #1
    Hi all

    376730650.jpe
     
  2. jcsd
  3. Feb 22, 2013 #2

    HallsofIvy

    User Avatar
    Science Advisor

    Start all over again! Each "[itex]\lambda[/itex]" gives a different member of the family of curves. To have an equation that describes the family and not an individual member, you have to elimininate [itex]\lambda[/itex]. That's the whole point of differentiating.
     
Share this great discussion with others via Reddit, Google+, Twitter, or Facebook