P P.T.F.E Member Joined Nov 6, 2008 Messages 333 Gender Male HSC 2013 Feb 21, 2009 #1 intergral of square root (9-u^2) du brain freeze im not seein it, need some help.
Aerath Retired Joined May 10, 2007 Messages 10,169 Gender Undisclosed HSC N/A Feb 21, 2009 #2 Let u = 3sin@ Last edited: Feb 21, 2009