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: Characteristic equation

  1. Apr 2, 2009 #1
    For the ODE x''+2x'+6x=sin2t
    what is the characteristic equation?
    Is it m^2+2m+6=0
    or m^2+2m+6=cos2t
  2. jcsd
  3. Apr 2, 2009 #2
    The first one.
Share this great discussion with others via Reddit, Google+, Twitter, or Facebook