document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=89245>Question 89245</A>: <I><SPAN STYLE=\"word-break: break-all;\"> what are the non-permissible values of the rational expression 4xy/4x^2y^2?<BR>\n" );
document.write( "a. x=0 and y=1<BR>\n" );
document.write( "b. x=0 and y=0<BR>\n" );
document.write( "c. x=4 and y=-1<BR>\n" );
document.write( "d. x=2 and y=-2 </SPAN>\n" );
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document.write( "   what are the non-permissible values of the rational expression 4xy/4x^2y^2?<BR>\n" );
document.write( "a. x=0 and y=1<BR>\n" );
document.write( "b. x=0 and y=0<BR>\n" );
document.write( "c. x=4 and y=-1<BR>\n" );
document.write( "d. x=2 and y=-2\r<BR>\n" );
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document.write( "     On simplification the given expression becomes 1/4xy \r<BR>\n" );
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document.write( "       hence if x=0   or y= 0 1/xy is not defined  therefore (a)   and (b) <BR>\n" );
document.write( "         are nonpermissible values     </SPAN>\n" );
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