Answer is: Need solving process, Thanks 43. Let \( X \) and \( Y \) be independent random variables. Determine the distribution of \( (X-Y) /(X+Y) \) if (a) \( X, Y \in \operatorname{Exp}(1) \), (b) \( X, Y \in N(0,1) \) (see also Problem 5 1 answer