document.write( "Question 310274: if x+y = 3 and x^2-y^2 = 6 what is the value of the reciprocal of 1/(x-y)\r
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Algebra.Com's Answer #221857 by Edwin McCravy(20063) $\"\"$ $\"About$

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if x+y = 3 and x^2-y^2 = 6 what is the value of the reciprocal of 1/(x-y)
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document.write( "This is a trick question, because you ordinarily think of \r\n" );
document.write( "as already being a reciprocal and you might be tricked into thinking\r\n" );
document.write( "that the answer is the reciprocal of 2, and answer c.  However,\r\n" );
document.write( "the reciprocal of  is  and that is the same as\r\n" );
document.write( " and the correct choice is answer d 2.\r\n" );
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document.write( "Edwin

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