document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=65678>Question 65678</A>This question is from textbook <A HREF=http://www.amazon.com/exec/obidos/ASIN/0073016020/algebrahomeworkh>Beginning algebra</A><BR>\n" );
document.write( ": <I><SPAN STYLE=\"word-break: break-all;\"> Problem 24:\r<BR>\n" );
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document.write( "3 sqrt -8/27\r<BR>\n" );
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document.write( "I believe this is not a real number, is this correct? If it is I would say it is -2/3 From here I am lost, hope you can help me:-) </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #46367 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=46367\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 3 sqrt -8/27 <BR>\n" );
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document.write( "You are right in saying \"this is not a Real Number\".<BR>\n" );
document.write( "It is not part of the Real Number System.<BR>\n" );
document.write( "It is a number in the Complex Number System.<BR>\n" );
document.write( "In that system it equals:<BR>\n" );
document.write( "3[(2/3)sqrt(-2/3)]<BR>\n" );
document.write( "=2isqrt(2/3)<BR>\n" );
document.write( "Note: \"i\" is the square root of negative one.<BR>\n" );
document.write( "=(2/3)isqrt6<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
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