1. The problem statement, all variables and given/known data Find electric field anywhere on the x axis due two two point charges Q at (0,0,d) -Q at (0,0,-d) 2. Relevant equations 3. The attempt at a solution Attached Somehow I am not getting the correct answer. I reviewed my steps with 4 people and we could not find the error! I'm starting to think I've ruined the laws of physics.