View Single Post
Apr10-12, 11:51 AM
But it's not a homework either
Doesn't really matter. It's the style of homework, so it belongs here. It's irrelevant whether it is actually homework.
So, got any ideas??
You have f(a)=f(b) and you need to prove a=b.
Convert it to g(f(a))=g(f(b)) in some way.