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For any numbers \(x\) and \(y,\) \(x@y=xy-x-y.\) If \(x@y=1,\) which of the following cannot be the value of \(y?\)

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For any numbers \(x\) and \(y,\) \(x@y=xy-x-y.\) If \(x@y=1,\) which of the following cannot be the value of \(y?\)

by M7MBA » Sat Jun 05, 2021 4:30 am

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A

B

C

D

E

Global Stats

For any numbers \(x\) and \(y,\) \(x@y=xy-x-y.\) If \(x@y=1,\) which of the following cannot be the value of \(y?\)

A. -2
B. -1
C. 0
D. 1
E. 2

Answer: D

Source: GMAT Club Tests
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