J john-doe Member Joined Jul 29, 2012 Messages 179 Gender Male HSC 2012 Aug 13, 2012 #1 The region bounded by the curve y=x(4-x) and the x axis is rotated about Y AXIS. Find the vol of the solid....thanks
The region bounded by the curve y=x(4-x) and the x axis is rotated about Y AXIS. Find the vol of the solid....thanks
asianese Σ Joined Sep 20, 2010 Messages 2,225 Gender Undisclosed HSC 2012 Aug 13, 2012 #2 You should end up with unless I am mistaken. This is the cylindrical slices method. Last edited: Aug 13, 2012
math man Member Joined Sep 19, 2009 Messages 503 Location Sydney Gender Male HSC N/A Aug 14, 2012 #3 yeh you want to use shell method here, otherwise disc method will need a x1 and x2 to be introduced and is more annoying to deal with, as you need to make x the subject.
yeh you want to use shell method here, otherwise disc method will need a x1 and x2 to be introduced and is more annoying to deal with, as you need to make x the subject.
