document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=81950>Question 81950</A>This question is from textbook <A HREF=http://www.amazon.com/exec/obidos/ASIN/0395430542/algebrahomeworkh></A><BR>\n" );
document.write( ": <I><SPAN STYLE=\"word-break: break-all;\"> the tenth row of Pascal's triangle begins: 1, 10, 45, 120, 210... Use the triangle to answer the following questions\r<BR>\n" );
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document.write( "a. find the eighth term in the expansion of (x+1)^10<BR>\n" );
document.write( "b. find the first four terms in the expansion of (x-y)^11 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #58722 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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=58722\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> a. find the eighth term in the expansion of (x+1)^10<BR>\n" );
document.write( "8th term: 10C3x^3*1^7 = [10*9*8]/[1*2*3*]x^3 = 720/6 x^3 = 120x^3<BR>\n" );
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document.write( "b. find the first four terms in the expansion of (x-y)^11<BR>\n" );
document.write( "11C11x^11(-y)^0 + 11C10x^10(-y)^1+11C9x^9(-y)^2+11C8x^8(-y)^3<BR>\n" );
document.write( "=x^11 - 11x^10y + 55x^9y^2 - 165x^8y^3....<BR>\n" );
document.write( "==============<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H.  </SPAN>\n" );
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