Recent content by anonymoss

This is for all the first year calc students who found this thread looking for an acceptable proof. y=e^x take ln of both sides lny = xlne differentiate implicitly and use limit definition (1/y)y' = limx-0 [(x+h)lne - xlne]/h factor out lne (1/y)y' = [(lne) x + h -x]/h (1/y)y' = (lne)h/h...