Multiple Choice Question: When simplified and expressed with negative exponents, the expression $(x + y)^{-1}(x^{-1} + y^{-1})$ is equal to:

When simplified and expressed with negative exponents, the expression $(x + y)^{-1}(x^{-1} + y^{-1})$ is equal to:

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Orphaned Multiple Choice Questions (MCQ) due to changes of exam system.

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