P petergriffin198 Member Joined Sep 20, 2015 Messages 43 Gender Male HSC 2015 Sep 20, 2015 #1 can someone explain and show working out on how to do this? Attachments image.jpg 53.1 KB Views: 161
Trebla Administrator Administrator Joined Feb 16, 2005 Messages 8,390 Gender Male HSC 2006 Sep 20, 2015 #2 petergriffin198 said: can someone explain and show working out on how to do this? Click to expand... There are 5 terms in this expansion. The middle term is the 3rd term, so use the general term to find T3.
petergriffin198 said: can someone explain and show working out on how to do this? Click to expand... There are 5 terms in this expansion. The middle term is the 3rd term, so use the general term to find T3.
D Drongoski Well-Known Member Joined Feb 22, 2009 Messages 4,255 Gender Male HSC N/A Sep 21, 2015 #4 bionomials??
B braintic Well-Known Member Joined Jan 20, 2011 Messages 2,137 Gender Undisclosed HSC N/A Sep 21, 2015 #5 Drongoski said: bionomials?? Click to expand... I didn't realise bio students were even aware of the existence of numbers.
Drongoski said: bionomials?? Click to expand... I didn't realise bio students were even aware of the existence of numbers.
D davidgoes4wce Well-Known Member Joined Jun 29, 2014 Messages 1,877 Location Sydney, New South Wales Gender Male HSC N/A Sep 21, 2015 #6 My working out:
C crimp New Member Joined May 9, 2015 Messages 23 Gender Male HSC 2016 Sep 21, 2015 #7 The middle term is usually the largest term (By pascals triangle) so C? Also the middle term is the 3rd term, so use T(2+1)= 4C2(2x)^2(-4)^2
The middle term is usually the largest term (By pascals triangle) so C? Also the middle term is the 3rd term, so use T(2+1)= 4C2(2x)^2(-4)^2