document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=512605>Question 512605</A>: <I><SPAN STYLE=\"word-break: break-all;\"> square root of -4\r<BR>\n" );
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document.write( "Absolute value of 5+4i over 7-5i </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #342677 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=342677\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> square root of -4 = 2i<BR>\n" );
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document.write( "Absolute value of 5+4i over 7-5i<BR>\n" );
document.write( "|(5+4i)/(7-5i)|<BR>\n" );
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document.write( "Multiply numerator and denominator by 7+5i to get<BR>\n" );
document.write( "= |[(5+4i)(7+5i)]/(49+25)|<BR>\n" );
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document.write( "= |(35+20+53i)/74|<BR>\n" );
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document.write( "= |(55/74) + (53/74)i|<BR>\n" );
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document.write( "= sqrt[(55/74)^2 + (53/74)^2]<BR>\n" );
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document.write( "= sqrt(1.0654)<BR>\n" );
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document.write( "= 1.0322<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
document.write( "=============== </SPAN>\n" );
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