document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=609252>Question 609252</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Please help me solve this question: Find all numbers for which the rational expression is undefined 4/z-3 </SPAN>\n" );
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document.write( "It's undefined when the denominator = zero.<BR>\n" );
document.write( "z - 3 = 0<BR>\n" );
document.write( "z = 3<BR>\n" );
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