R rj686 New member Joined Mar 28, 2006 Messages 9 May 29, 2006 #1 Express the volume of the solid fromed by rotating the area around the y-axis. THen evaulate the Integral from x=[0,2] y=x^2 y=-x sorry this is kinda basic, but i have a calculus final tomorrow, and i forgot my book at school.
Express the volume of the solid fromed by rotating the area around the y-axis. THen evaulate the Integral from x=[0,2] y=x^2 y=-x sorry this is kinda basic, but i have a calculus final tomorrow, and i forgot my book at school.
G galactus Super Moderator Staff member Joined Sep 28, 2005 Messages 7,203 May 30, 2006 #2 This reply may be a little belated since your test may be over by now, but you can use shells. \(\displaystyle \L\\2{\pi}\int_{0}^{2}{x(x^{2}+x)}dx\)
This reply may be a little belated since your test may be over by now, but you can use shells. \(\displaystyle \L\\2{\pi}\int_{0}^{2}{x(x^{2}+x)}dx\)
