Which expression is equal to\[{{({{x}^{-1}}+{{y}^{-1}})}^{1}}\]?

1.	Which expression is equal to\[{{({{x}^{-1}}+{{y}^{-1}})}^{1}}\]?
A.	\[xy\]
B.	\[x+y\]
C.	\[\frac{xy}{x+y}\]
D.	\[\frac{x+y}{xy}\]
Answer» D. \[\frac{x+y}{xy}\]

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Which expression is equal to\[{{({{x}^{-1}}+{{y}^{-1}})}^{1}}\]?

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