document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=553871>Question 553871</A>: <I><SPAN STYLE=\"word-break: break-all;\"> what is the value of b if (4+ or - i) are complex roots of 2x squared+bx+15=0 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #361095 by </B><A HREF=/tutors/aboutme.mpl?userid=prateekagrawal><B>prateekagrawal(56)</B></A><img src=\"/images/stars/stars-08.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=prateekagrawal><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=361095\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> sum of roots of a quadratic equation = -b/a<BR>\n" );
document.write( "here b=b and a=2<BR>\n" );
document.write( "and sum of roots= 4+i+4-i= 8<BR>\n" );
document.write( "so, <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=8=+-b%2F2%0D%0A16=-b%0D%0Ab=-16 ALIGN=MIDDLE  ALT=\"8=+-b%2F2%0D%0A16=-b%0D%0Ab=-16\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "is the answer. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );