If X,YX,YX,Y independent with E[X]=1,Var(X)=1,E[Y]=2,Var(Y)=4E[X]=1, Var(X)=1, E[Y]=2, Var(Y)=4E[X]=1,Var(X)=1,E[Y]=2,Var(Y)=4, what is E[X2]E[X^2]E[X2]?
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