document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=196929>Question 196929</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Select any imaginary number (of the form \"a + bi\" where a and b are non-zero real numbers), and turn it into a real number by using addition, subtraction, multiplication, division, or exponentiation. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #147639 by </B><A HREF=/tutors/aboutme.mpl?userid=RAY100><B>RAY100(1637)</B></A><img src=\"/images/stars/stars-12.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=RAY100><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=147639\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The  complex  conjugate  operation  applies<BR>\n" );
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document.write( "(a+bi) (a-bi) = a^2 -abi +abi -b^2i^2 = a^2 +b^2<BR>\n" );
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document.write( "with     i^2  =  -1<BR>\n" );
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