document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=464548>Question 464548</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Please solve. 16r^2-1=0 </SPAN>\n" );
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document.write( "16r^2-1=0\r<BR>\n" );
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document.write( "=> 16r^2 = 1\r<BR>\n" );
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document.write( "=> r^2 = 1/16\r<BR>\n" );
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document.write( "r = 1/4 or -1/4\r<BR>\n" );
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document.write( " </SPAN>\n" );
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