document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=226462>Question 226462</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Find the power of the following complex number z=(sq root 2 - i) to the fourth power </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #168621 by </B><A HREF=/tutors/aboutme.mpl?userid=Alan3354><B>Alan3354(69443)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Alan3354><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=Alan3354><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=168621\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> z=(sq root 2 - i) to the fourth power<BR>\n" );
document.write( "------------<BR>\n" );
document.write( "z = sqrt(2) - i<BR>\n" );
document.write( "z^4 = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28sqrt%282%29+-+i%29%5E4 ALIGN=MIDDLE  ALT=\"%28sqrt%282%29+-+i%29%5E4\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "z^2 = (2 - 1 - 2isqrt(2))<BR>\n" );
document.write( "z^2 = 1 - 2isqrt(2)<BR>\n" );
document.write( "z^4 = 1 - 8 - 4isqrt(2)<BR>\n" );
document.write( "z^4 = -7 - 4isqrt(2)<BR>\n" );
document.write( "-----------\r<BR>\n" );
document.write( "\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );