Let X and Y be two randomly selected numbers from the set
Chapter , Problem 18(choose chapter or problem)
Let X and Y be two randomly selected numbers from the set of positive integers {1, 2, . . . , n}. Prove that (X, Y ) = 1 if and only if X = Y with probability 1. Hint: First prove that E 4 (X Y )2 5 = 0; then use Exercise 17.
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