That's great. Thanks everyone. I got to the same result with my remembered algebra from eons ago but didn't have enough confidence in that to assume it was a misprint. It's been bothering me too much to go further into the book until I'd got to the bottom of it. I can now carry on :)
Steve
Sorry, should have been clearer. I put the title of the book as the thread name and then referred to it in the body as 'this book'.
The book is: Cox and Forshaw: Why E=mc^2 (and why we should care)
Thanks for pointing this out - just edited the original post to be clearer.
Steve
Hi All
My first post here and I'm sure it's going to be one of the easiest for you to answer.
I've just read Einstein's book on the theory of relativity and now I'm currently reading 'Why does e=mc2 (and why should we care)' by Brian Cox and Jeff Forshaw.
My Math isn't up to much but I have a...