WorksheetUnion[List[ConstE],List[λ]]List[ConstE,λ]List[2.718281828459,λ]WorksheetVariance[Union[List[ConstE],List[λ]]]Sum[Divide[Exponent[λ,2],4],Negative[Divide[Product[ConstE,λ],2]],Divide[Exponent[ConstE,2],4]]