Recent content by Gwyn

Thanks a lot, I was stuck on that for a long time.

I've been going over the book and everything was going well until I got to this question: \frac{1} {2 + \sqrt{4 - x^2}} = \frac{2 - \sqrt{4 - x^2}} {x^2} Tried with partial fractions but that does not work. I also tried to split the fraction but I don't know how to get the x^2 at the...

Let me be the first to say that no one knows what an electron is, we know how it moves, it's characteristics and how it interacts with other particles. That being said there's many things which we can say it probably isn't with a very high degree of certainty and one that ranks highest is...