Question 544042
x-(y/((x/y)+(y/x))
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x - [y/(x^2+y^2)/(xy))
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x - [(xy^2)/(x^2+y^2)]
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= [(x^2+xy^2)-(xy^2]/(x^2+y^2)
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= [x^2/(x^2+y^2)]
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Cheers,
Stan H.
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