# Question

The joint density function of X and Y is given by

f(x, y) = 1/ye−(y+x/y), x > 0, y > 0

Find E[X], E[Y], and show that Cov(X, Y) = 1.

f(x, y) = 1/ye−(y+x/y), x > 0, y > 0

Find E[X], E[Y], and show that Cov(X, Y) = 1.

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