document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=930046>Question 930046</A>: <I><SPAN STYLE=\"word-break: break-all;\"> find all the complex roots. leave your answer is polar form with arguments in degress. The complex fourth of -25i </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #564941 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=564941\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> find all the complex roots. leave your answer is polar form with arguments in degress. The complex fourth of -25i<BR>\n" );
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document.write( "r = 25<BR>\n" );
document.write( "theta = 270 degrees<BR>\n" );
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document.write( "-25i = 25(cis(270))<BR>\n" );
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document.write( "Your Problem::<BR>\n" );
document.write( "(-25i)^(1/4) = 25^(1/4)(cis(270/4))<BR>\n" );
document.write( "(-25i)^(1/4) = 25*(1/4)cis((270+360)/4) = 25^(1/4)cis(270/4 + 90)<BR>\n" );
document.write( "(-25i)^(1/4) = 25^(1/4)cis((270+720)/4) = 25^(1/4)cis(270/4 + 180)<BR>\n" );
document.write( "etc.<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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