Find all reals numbers x , y : x + y = x y
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my attempt x+y=xy for real number (0,0),(2,2),(-1,1/2),(1/2,-1) Edit\\ therefore so,there are many solutions.
Last edited by ramiee2010; October 19th 2009 at 10:25 PM. Reason: correction
Originally Posted by ramiee2010 my attempt x+y=xy for real number (0,0),(2,2),(-1,1/2),(1/2,-1) Edit\\ therefore so,there are many solutions. Hello THANK YOU I'can write the set of solutions is :
Last edited by dhiab; October 19th 2009 at 10:56 PM.
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