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Difficulty—
Are the positive integers \(x\) and \(y\) consecutive?
(1) \(x^2 - y^2 = 2y + 1\)
(2) \(x^2 - xy - x = 0\)
[spoiler]OA=D[/spoiler]
Source: Manhattan GMAT
(1) \(x^2 - y^2 = 2y + 1\)
(2) \(x^2 - xy - x = 0\)
[spoiler]OA=D[/spoiler]
Source: Manhattan GMAT
