Oct 4, 2011 #1 M mikeyw88 Newbie level 5 Joined Oct 3, 2011 Messages 9 Helped 0 Reputation 0 Reaction score 0 Trophy points 1,281 Activity points 1,330 I am not sure how to connect the two.
Oct 5, 2011 #2 S Sanchayan Junior Member level 3 Joined Sep 1, 2011 Messages 30 Helped 5 Reputation 10 Reaction score 4 Trophy points 1,288 Location New Bombay, India Activity points 1,504 So effectively you have to show gradient of gamma(r) is zero. The first two terms cancel as del square E is equal to -(w^2)ueE.
So effectively you have to show gradient of gamma(r) is zero. The first two terms cancel as del square E is equal to -(w^2)ueE.