Solved: Show that cosh x > 1 1 1 2 x 2 for all x.
Chapter 9, Problem 32(choose chapter or problem)
Show that cosh x > 1 1 1 2 x 2 for all x.
Unfortunately, we don't have that question answered yet. But you can get it answered in just 5 hours by Logging in or Becoming a subscriber.
Becoming a subscriber
Or look for another answer