document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1187143>Question 1187143</A>: <I><SPAN STYLE=\"word-break: break-all;\"> In the expansion of (1-2x)^11 the coefficient of x^3 is k times the coefficient  of x^2. Evaluate k. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #819238 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=819238\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> the expansion of the first few terms is 11C0(1^9*(-2x)^0=1<BR>\n" );
document.write( "and 11C1(1^10)(-2x)^1=-22x<BR>\n" );
document.write( "11C2 (1^9)(-2x)^2=220x^2<BR>\n" );
document.write( "11C3(1^6)(-2x)^3=165(-8x^3)=-1320x^3<BR>\n" );
document.write( "k=-6, -1320/220 </SPAN>\n" );
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