Question: Let X and Y correspond to the horizontal and vertical coordinates in the triangle with corners at (2, 0), (0, 2), and the origin. Let

Let X and Y correspond to the horizontal and vertical coordinates in the triangle with corners at (2, 0), (0, 2), and the origin. Let fX,Y(x,y) = 15/28(xy2 + y) for (x,y) inside the triangle, and fX,Y(x,y) = 0 otherwise. Find E(XY).

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