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Let X,Y be independent [0,1]-uniform. Calculate expected values of Z1=XY/(X+1), Z2= X/(Y+1), Z3=(x+y)(x-2y). Calculate r[(X+Y), (X-Y)].

Let X,Y be independent [0,1]-uniform. Calculate expected values of Z1=XY/(X+1), Z2= X/(Y+1), Z3=(x+y)(x-2y). Calculate r[(X+Y), (X-Y)].

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