document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=858175>Question 858175</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I am struggling to find the complex solutions of <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+z%5E4=+-81+ ALIGN=MIDDLE  ALT=\"+z%5E4=+-81+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "I am assuming that i has a value of 0, I'm not sure how to go about this. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #517095 by </B><A HREF=/tutors/aboutme.mpl?userid=harpazo><B>harpazo(655)</B></A><img src=\"/images/stars/stars-11.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=harpazo><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/cgi-bin/show-face.mpl?user=harpazo><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=517095\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Take the fourth root of both sides.\r<BR>\n" );
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document.write( "4throot(z^4) = 4throot(-81)\r<BR>\n" );
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document.write( "z = 4throot(81)*4throot(-1)\r<BR>\n" );
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document.write( "z = 3*4throot(-1)\r<BR>\n" );
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document.write( "Can you finish now?\r<BR>\n" );
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document.write( "Simplify the fourth root of -1 and multiply by 3. This will give you the value of z.\r<BR>\n" );
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