Question: The joint density of X and Y is given by f(x, y) = ex/yey/y, 0 < x < , 0 < y < Compute

The joint density of X and Y is given by
f(x, y) = e−x/ye−y/y, 0 < x < ∞, 0 < y < ∞
Compute E[X2|Y = y].

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