document.write( "Question 199011: Which expression is undefined if x=2?
\n" ); document.write( "1)1 over x+2
\n" ); document.write( "2)1 over x-2
\n" ); document.write( "3)2 over x
\n" ); document.write( "4)x-2
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Algebra.Com's Answer #149506 by solver91311(24713)\"\" \"About 
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\n" ); document.write( "\n" ); document.write( "The one that has a denominator of 0 if \r
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