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05-10-2020
Mathematics

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If a = 1/x − 1/y , what is the value of 1/a ?

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sqdancefan sqdancefan

06-10-2020

Answer:

1/a = xy/(y-x)

Step-by-step explanation:

Simplify the reciprocal:

1/a = 1/(1/x -1/y) = 1/((y-x)/(xy))

1/a = xy/(y-x)

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