T tommy2888 New Member Joined May 12, 2008 Messages 3 Gender Male HSC 2009 May 17, 2009 #1 for (1-2x-4x^2)(1-3/x)^9 find the term in x^4 any help would be much appreciated
lychnobity Active Member Joined Mar 9, 2008 Messages 1,292 Gender Undisclosed HSC 2009 May 17, 2009 #2 Do you mean the coefficient?
T tommy2888 New Member Joined May 12, 2008 Messages 3 Gender Male HSC 2009 May 17, 2009 #3 yea, but thats what the question says
