If x not equal to -y, is (x-y)/(x+y) <1>0 (2) y<0 : DS Archive
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# If x not equal to -y, is (x-y)/(x+y) <1>0 (2) y<0

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If x not equal to -y, is (x-y)/(x+y) <1>0 (2) y<0 [#permalink]

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06 Aug 2007, 19:06
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If x not equal to -y, is (x-y)/(x+y) <1>0
(2) y<0
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Another questionable answer, I chose the correct answer to be B but its not the right answer according to the OG; please explain and critique my reasoning
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The stem of the question will simply reduce to the following
x-y < x+y (After multiplying each side by x+y)
or 2y < 0
or y < 0
Stmt 1: INSUFFICIENT
Stmt 2: SUFFICIENT as it matches with the reduced stem

The OG seems to pick numbers rather than reduce the stem and therefore gets a different answer.....
Am i smoking something or does this look correct....I guess the only issue I'll have with my approach is assuming that x+y is positive so the sign does not change when i multiply each side with x+y...anyways
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06 Aug 2007, 19:17
you need to post the question again with HTML disabled.
06 Aug 2007, 19:17
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