Question 396859
(1/x)(x/y-1)- (1/y)(1+Y/x)
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(1/y - 1/x)-(1/y+1/x)
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(x-y)/xy -(x+y)/xy
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[x-y+x+y]/(xy)
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(2x)/xy
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= 2/y
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Cheers,
Stan H.