Hello,
I tried to prove the unequally of problem 2.5 on page 69:
However I was not able to find a good prove. I tried by using the same scheme like in the prove for
But I had no success.
Can anyone give me the answer or at least a hint, how to start the prove well?
Thanks a lot,
André
P.S.: Is there a good way to embedd latex to this Forum? At the moment I just use
https://www.codecogs.com for generating latex pictures.
P.P.S.: The book is very good and the course videos make a lot of fun to watch. Really: Thanks to everyone who worked on it!