# Question: If the joint probability distribution of X and Y is

If the joint probability distribution of X and Y is given by f(x, y) = (x– y)2 / 7 for x = 1, 2 and y = 1, 2, 3, find

(a) The joint distribution of U = X + Y and V = X – Y;

(b) The marginal distribution of U.

(a) The joint distribution of U = X + Y and V = X – Y;

(b) The marginal distribution of U.

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