document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=205896>Question 205896</A>: <I><SPAN STYLE=\"word-break: break-all;\"> evaluate (-16)^1/4 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #155466 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=155466\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> evaluate (-16)^1/4<BR>\n" );
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document.write( "-16 = 16(cis(180)<BR>\n" );
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document.write( "(-16)^(1/4) = (16)^(1/4)(cis[(180+360k)/4] for k = 0,1,2,3<BR>\n" );
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document.write( "Ans: 4cis(45), 4cis(135),4cis(225),4cis(315)<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
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