That stuff is *always* difficult for students, there is *always* confusion, don't throw out your convention right when you start to use it!!
That stuff is *always* difficult for students, there is *always* confusion, don't throw out your convention right when you start to use it!!
Take part c, which *hugely* relies on applications of symmetry, but that hasn't been discussed at all yet (cont.)
Take part c, which *hugely* relies on applications of symmetry, but that hasn't been discussed at all yet (cont.)