When simplified x-1 - y-1-1 is equal to xy-x-yx-y-xyxyx - y

The correct option is A xy/x+y (x^ 1 + y^ 1)^ 1 = (1/x + 1/y)^ 1 =( y+x/xy )^ 1=xy/x+y ...

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Laws of Exponents for Real Numbers

When simplifi...

Question

When simplified $(x^{- 1} + y^{- 1})^{- 1}$ is equal to

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x + y

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$\frac{x y}{x + y}$

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$\frac{x + y}{x y}$

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A

B

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