document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1083283>Question 1083283</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Calculate (2+i)^7. Give your answer in  a+bi form </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #697292 by </B><A HREF=/tutors/aboutme.mpl?userid=Boreal><B>Boreal(15235)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Boreal><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=Boreal><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=697292\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 1-7-21-35-35-21-7-1 <BR>\n" );
document.write( "(2^7+7*2^6*I+21*2^5*i^2+35*2^4*i^3+35*2^3*i^4*+21*2^2*i^5+7*2*i^6*i^7/////i^2=-1;i^3=-i, i^4=1<BR>\n" );
document.write( "128+448i-672-560i+280+84i-14-i<BR>\n" );
document.write( "-278+532i-561i=<BR>\n" );
document.write( "-278-29i ANSWER </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );