Let X and Y be random variables with finite variance.
Chapter 4, Problem 17(choose chapter or problem)
Let X and Y be random variables with finite variance. Prove that |(X, Y )| = 1 implies that there exist constants a, b, and c such that aX + bY = c with probability 1. Hint: Use Theorem 4.6.2 with U = X X and V = Y Y .
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