Let XXX and YYY be independent with E[X]=2E[X] = 2E[X]=2, E[Y]=3E[Y] = 3E[Y]=3, Var(X)=1Var(X) = 1Var(X)=1, Var(Y)=2Var(Y) = 2Var(Y)=2. What is E[X2+Y2]E[X^2 + Y^2]E[X2+Y2]?
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